/* ================================
   🚀 QUANTUM ATTEND - ULTRA MODERN UI
   ================================ */

/* CSS Variables - Dark & Light Theme */
:root {
  /* Brand Colors - Professional Blue/Teal Scheme */
  --primary: #0ea5e9; /* Sky Blue */
  --primary-dark: #0284c7; /* Sky Blue Dark */
  --secondary: #06b6d4; /* Cyan */
  --accent: #14b8a6; /* Teal */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* Modern Gradients */
  --primary-gradient: linear-gradient(135deg, #0ea5e9, #06b6d4);
  --secondary-gradient: linear-gradient(135deg, #06b6d4, #14b8a6);
  --hero-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #14b8a6 100%);
  --glass-gradient: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(6, 182, 212, 0.1));
  --button-gradient: linear-gradient(135deg, #0ea5e9, #0284c7);
  --card-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(14, 165, 233, 0.02));
  
  /* Advanced Animated Gradients */
  --animated-gradient: linear-gradient(-45deg, #0ea5e9, #06b6d4, #14b8a6, #0891b2);
  --mesh-gradient: radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 50%), 
                   radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                   radial-gradient(circle at 40% 40%, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
  --floating-gradient: linear-gradient(135deg, 
                       rgba(14, 165, 233, 0.8) 0%, 
                       rgba(6, 182, 212, 0.6) 25%, 
                       rgba(20, 184, 166, 0.4) 50%, 
                       rgba(8, 145, 178, 0.6) 75%, 
                       rgba(14, 165, 233, 0.8) 100%);
  
  /* Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.1);
  --bg-overlay: rgba(255, 255, 255, 0.95);
  
  --text-primary: #31115a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  --text-label: rgb(0, 183, 255);
  
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --divider: #cbd5e1;
  
  /* Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  --glow: 0 0 20px rgba(14, 165, 233, 0.3);
  --glow-strong: 0 0 40px rgba(14, 165, 233, 0.6);
  --glow-cyan: 0 0 30px rgba(6, 182, 212, 0.4);
  --glow-teal: 0 0 25px rgba(20, 184, 166, 0.3);
  
  /* Glass morphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* Animations */
  --transition-fast: all 0.15s ease;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Advanced Easing Functions */
  --ease-in-quad: cubic-bezier(0.55, 0.085, 0.68, 0.53);
  --ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out-quad: cubic-bezier(0.455, 0.03, 0.515, 0.955);
  --ease-in-cubic: cubic-bezier(0.55, 0.055, 0.675, 0.19);
  --ease-out-cubic: cubic-bezier(0.215, 0.61, 0.355, 1);
  --ease-in-out-cubic: cubic-bezier(0.645, 0.045, 0.355, 1);
  --ease-in-quart: cubic-bezier(0.895, 0.03, 0.685, 0.22);
  --ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
  --ease-in-out-quart: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-in-back: cubic-bezier(0.6, -0.28, 0.735, 0.045);
  --ease-out-back: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-in-out-back: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* nuevos colores */
.text_label{
  background-color: var(--text-label);
}

/* Dark Theme Override */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-glass: rgba(15, 23, 42, 0.1);
  --bg-overlay: rgba(15, 23, 42, 0.95);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --border: #334155;
  --border-light: #1e293b;
  --divider: #475569;
  
  --glass-bg: rgba(15, 23, 42, 0.05);
  --glass-border: rgba(148, 163, 184, 0.1);
}

/* System Theme Detection */
@media (prefers-color-scheme: dark) {
  .theme-system {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-glass: rgba(15, 23, 42, 0.1);
    --bg-overlay: rgba(15, 23, 42, 0.95);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --border: #334155;
    --border-light: #1e293b;
    --divider: #475569;
    
    --glass-bg: rgba(15, 23, 42, 0.05);
    --glass-border: rgba(148, 163, 184, 0.1);
  }
}

/* ================================
   🎨 RESET & BASE STYLES
   ================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

.quantum-body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: var(--transition);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ================================
   🌌 QUANTUM BACKGROUND EFFECTS
   ================================ */

.quantum-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.quantum-orbs {
  position: absolute;
  width: 100%;
  height: 100%;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--accent), var(--success));
  bottom: 20%;
  left: 20%;
  animation-delay: -3s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: linear-gradient(135deg, var(--warning), var(--danger));
  top: 60%;
  left: 60%;
  animation-delay: -6s;
}

@keyframes float {
  0%, 100% { 
    transform: translate(0, 0) rotate(0deg) scale(1);
    opacity: 0.4;
  }
  25% { 
    transform: translate(30px, -50px) rotate(90deg) scale(1.1);
    opacity: 0.6;
  }
  50% { 
    transform: translate(50px, -30px) rotate(180deg) scale(0.9);
    opacity: 0.3;
  }
  75% { 
    transform: translate(-20px, 40px) rotate(270deg) scale(1.05);
    opacity: 0.5;
  }
}

/* Advanced Animation Keyframes */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.6);
    transform: scale(1.02);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-up {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-in-down {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce-in {
  0% {
    opacity: 0;
    transform: scale(0.3) translateY(50px);
  }
  50% {
    opacity: 1;
    transform: scale(1.05) translateY(-10px);
  }
  70% {
    transform: scale(0.95) translateY(0);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes fade-in-scale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes rotate-360 {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Advanced Gradient Animations */
@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes gradient-flow {
  0% {
    background-position: 0% 0%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
  100% {
    background-position: 0% 0%;
  }
}

@keyframes mesh-float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.6;
  }
  25% {
    transform: translateY(-20px) rotate(5deg);
    opacity: 0.8;
  }
  50% {
    transform: translateY(-10px) rotate(-5deg);
    opacity: 1;
  }
  75% {
    transform: translateY(-15px) rotate(3deg);
    opacity: 0.7;
  }
}

.quantum-mesh {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  background-size: 100% 100%, 80% 80%, 60% 60%;
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(180deg); }
}

/* ================================
   🧭 NAVIGATION - MOBILE FIRST DESIGN
   ================================ */

.quantum-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: var(--transition);
}

/* Mobile-first height adjustment for larger screens */
@media (min-width: 768px) {
  .quantum-nav {
    height: 70px;
  }
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

/* Larger padding for bigger screens */
@media (min-width: 768px) {
  .nav-container {
    padding: 0 2rem;
  }
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.nav-brand:hover {
  transform: scale(1.02);
}

.brand-icon {
  width: 35px;
  height: 35px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  box-shadow: var(--glow);
  animation: brandPulse 3s ease-in-out infinite;
}

@media (min-width: 768px) {
  .brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 1.2rem;
  }
}

@keyframes brandPulse {
  0%, 100% { box-shadow: var(--glow); }
  50% { box-shadow: var(--glow-strong); }
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.brand-text span {
  font-size: 0.625rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: none;
}

@media (min-width: 768px) {
  .brand-text h1 {
    font-size: 1.5rem;
  }
  
  .brand-text span {
    font-size: 0.75rem;
    display: block;
  }
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .nav-controls {
    gap: 1.5rem;
  }
}

.nav-btn {
  width: 35px;
  height: 35px;
  border: none;
  background: var(--glass-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }
}

.nav-btn:hover {
  background: var(--bg-glass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.theme-icon {
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition);
  position: absolute;
}

.dark-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

[data-theme="dark"] .light-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

[data-theme="dark"] .dark-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ================================
   📑 HEADER
   ================================ */

.quantum-header {
  padding: 120px 0 3rem;
  position: relative;
}

.header-content {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.page-title {
  font-size: 3rem;
  font-weight: 900;
  margin: 0;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin: 0.5rem 0 0;
  font-weight: 400;
}

.quick-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  min-width: 100px;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.stat-item i {
  font-size: 1.5rem;
  color: var(--primary);
}

.stat-item span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-item small {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ================================
   📱 MAIN CONTENT
   ================================ */

.quantum-main {
  padding-bottom: 4rem;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ================================
   🎴 CARDS SYSTEM
   ================================ */

.quantum-card {
  background: var(--card-gradient);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.quantum-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.5), transparent);
  opacity: 0;
  transition: var(--transition);
}

.quantum-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary);
}

.quantum-card:hover::before {
  opacity: 1;
}

.card-header {
  margin-bottom: 2rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* ================================
   🕹️ INTERACTIVE ELEMENTS
   ================================ */

.quantum-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: 16px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-height: 50px;
  font-family: inherit;
}

.quantum-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: var(--transition);
}

.quantum-btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--glow);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--glow-strong);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
}

.btn-secondary:hover {
  background: var(--bg-glass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #d97706);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 20px;
}

.btn-sm {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  border-radius: 12px;
}

/* ================================
   🎨 EXPERT GRADIENT UTILITIES
   ================================ */

/* Animated Gradient Backgrounds */
.gradient-animated {
  background: var(--animated-gradient);
  background-size: 400% 400%;
  animation: gradient-shift 6s ease infinite;
}

.gradient-mesh {
  position: relative;
  background: var(--mesh-gradient);
  animation: mesh-float 8s ease-in-out infinite;
}

.gradient-flowing {
  background: var(--floating-gradient);
  background-size: 300% 300%;
  animation: gradient-flow 12s linear infinite;
}

/* Advanced Glass Morphism with Gradients */
.glass-gradient {
  background: var(--glass-gradient);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.glass-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(14, 165, 233, 0.1), transparent, rgba(6, 182, 212, 0.1), transparent);
  animation: rotate-360 20s linear infinite;
  pointer-events: none;
}

/* Gradient Text Effects */
.text-gradient-primary {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.text-gradient-secondary {
  background: var(--secondary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.text-gradient-hero {
  background: var(--hero-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* Advanced Hover Effects with Gradients */
.gradient-hover {
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.gradient-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.gradient-hover:hover::before {
  left: 0;
  opacity: 0.1;
}

/* Gradient Borders */
.border-gradient {
  position: relative;
  background: var(--bg-primary);
  border-radius: 16px;
}

.border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: var(--primary-gradient);
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
}

/* Expert Shadow Effects */
.shadow-gradient {
  box-shadow: 
    0 0 0 1px rgba(14, 165, 233, 0.1),
    0 2px 4px rgba(14, 165, 233, 0.1),
    0 8px 16px rgba(6, 182, 212, 0.1),
    0 16px 32px rgba(20, 184, 166, 0.05);
}

.shadow-gradient-strong {
  box-shadow: 
    0 0 0 1px rgba(14, 165, 233, 0.2),
    0 4px 8px rgba(14, 165, 233, 0.15),
    0 12px 24px rgba(6, 182, 212, 0.15),
    0 24px 48px rgba(20, 184, 166, 0.1);
}

/* ================================
   📝 FORMS
   ================================ */

.quantum-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.quantum-input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 0.95rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
  font-family: inherit;
}

.quantum-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-1px);
}

.quantum-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 3rem;
  cursor: pointer;
}

/* ================================
   📊 GRID & LAYOUT
   ================================ */

.quantum-grid {
  display: grid;
  gap: 2rem;
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-hero {
  grid-template-columns: 2fr 1fr;
}

/* ================================
   📋 TABLES
   ================================ */

.quantum-table-container {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
}

.quantum-table {
  width: 100%;
  border-collapse: collapse;
}

.quantum-table thead {
  background: var(--bg-secondary);
}

.quantum-table th,
.quantum-table td {
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.quantum-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quantum-table tbody tr {
  transition: var(--transition);
}

.quantum-table tbody tr:hover {
  background: var(--bg-glass);
}

/* ================================
   🎯 QR SYSTEM
   ================================ */

.qr-container {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 2px dashed var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.qr-container::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  border-radius: 24px;
  z-index: -1;
  opacity: 0;
  animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.3; }
}

.qr-image {
  max-width: 300px;
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  transition: var(--transition);
}

.qr-image:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-2xl);
}

.qr-info {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-glass);
  border-radius: 16px;
  border: 1px solid var(--border);
}

/* ================================
   🌟 STATUS & ALERTS
   ================================ */

.quantum-alert {
  padding: 1rem 1.5rem;
  border-radius: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  border: 1px solid;
  position: relative;
  overflow: hidden;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.2);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.2);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}

.alert-info {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  border-color: rgba(99, 102, 241, 0.2);
}

/* ================================
   🔄 LOADING STATES
   ================================ */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-overlay);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}

.loading-overlay.show {
  display: flex;
}

.loading-content {
  text-align: center;
}

.quantum-spinner {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(1) {
  animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
  animation-delay: 0.1s;
  width: 90%;
  height: 90%;
  top: 5%;
  left: 5%;
}

.spinner-ring:nth-child(3) {
  animation-delay: 0.2s;
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ================================
   🦶 FOOTER
   ================================ */

.quantum-footer {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-text p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

/* ================================
   📱 RESPONSIVE DESIGN
   ================================ */

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-hero { grid-template-columns: 1fr; }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  
  .quick-stats {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .quantum-grid {
    gap: 1.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .quick-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .stat-item {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    padding: 1rem;
  }
  
  .quantum-card {
    padding: 1.5rem;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ================================
   ✨ CINEMATIC ANIMATIONS
   ================================ */

/* Stagger animation classes */
/* Fixed stagger animation - only animate when specifically triggered */
.stagger-animation.triggered > * {
  opacity: 0;
  transform: translateY(30px);
  animation: slide-in-up 0.6s var(--ease-out-cubic) forwards;
}

.stagger-animation.triggered > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation.triggered > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation.triggered > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation.triggered > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation.triggered > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation.triggered > *:nth-child(6) { animation-delay: 0.6s; }

/* Default visible state for stagger containers */
.stagger-animation > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Parallax effect */
.parallax-element {
  will-change: transform;
  transition: transform 0.1s ease-out;
}

/* Button ripple effect */
.quantum-btn {
  position: relative;
  overflow: hidden;
}

.quantum-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out-cubic), height 0.3s var(--ease-out-cubic);
  pointer-events: none;
}

.quantum-btn:active::before {
  width: 300px;
  height: 300px;
}

/* Hover reveal animations */
.hover-reveal {
  position: relative;
  overflow: hidden;
}

.hover-reveal::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s var(--ease-out-cubic);
}

.hover-reveal:hover::before {
  left: 100%;
}

/* Magnetic hover effect for buttons */
.magnetic-btn {
  transition: transform 0.1s ease-out;
}

/* Card tilt effect */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.3s var(--ease-out-cubic);
}

.tilt-card:hover {
  transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
}

/* Floating action button */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-cubic);
  z-index: 1000;
  font-size: 1.5rem;
}

.fab:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-2xl);
}

.fab:active {
  transform: translateY(-2px) scale(1.05);
}

/* Scroll progress indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  transition: width 0.1s ease-out;
  z-index: 9999;
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-light) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 1.5rem;
  width: 70%;
  margin-bottom: 1rem;
}

.skeleton-button {
  height: 2.5rem;
  width: 120px;
  border-radius: 12px;
}

/* Pulse effect */
.pulse-effect {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Bounce effect */
.bounce-effect {
  animation: bounce-in 0.6s var(--ease-out-back);
}

/* Scale on hover */
.scale-hover {
  transition: transform 0.2s var(--ease-out-cubic);
}

.scale-hover:hover {
  transform: scale(1.05);
}

/* Rotate on hover */
.rotate-hover {
  transition: transform 0.3s var(--ease-out-cubic);
}

.rotate-hover:hover {
  transform: rotate(5deg);
}

/* Slide reveal */
.slide-reveal {
  position: relative;
  overflow: hidden;
}

.slide-reveal-content {
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.6s var(--ease-out-cubic);
}

.slide-reveal.revealed .slide-reveal-content {
  transform: translateY(0);
  opacity: 1;
}

/* Text reveal animation */
.text-reveal {
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  transform: translateY(100%);
  transition: transform 0.6s var(--ease-out-cubic);
}

.text-reveal.revealed span {
  transform: translateY(0);
}

/* Morphing background */
.morphing-bg {
  background: linear-gradient(270deg, var(--primary), var(--secondary), var(--accent));
  background-size: 600% 600%;
  animation: morphing 10s ease infinite;
}

@keyframes morphing {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Glitch effect */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  overflow: hidden;
  clip: rect(0, 900px, 0, 0);
  animation: glitch-effect 0.3s, blur 0.3s, noise 2s linear infinite;
}

.glitch::before {
  animation-delay: 0.1s;
  color: var(--danger);
  z-index: -1;
}

.glitch::after {
  animation-delay: 0.2s;
  color: var(--success);
  z-index: -2;
}

@keyframes glitch-effect {
  0% { clip: rect(42px, 9999px, 44px, 0); }
  5% { clip: rect(12px, 9999px, 59px, 0); }
  10% { clip: rect(48px, 9999px, 29px, 0); }
  15% { clip: rect(42px, 9999px, 73px, 0); }
  20% { clip: rect(63px, 9999px, 27px, 0); }
  25% { clip: rect(34px, 9999px, 55px, 0); }
  30% { clip: rect(86px, 9999px, 73px, 0); }
  35% { clip: rect(2px, 9999px, 40px, 0); }
  40% { clip: rect(63px, 9999px, 27px, 0); }
  45% { clip: rect(34px, 9999px, 55px, 0); }
  50% { clip: rect(86px, 9999px, 73px, 0); }
  55% { clip: rect(2px, 9999px, 40px, 0); }
  60% { clip: rect(63px, 9999px, 27px, 0); }
  65% { clip: rect(34px, 9999px, 55px, 0); }
  70% { clip: rect(86px, 9999px, 73px, 0); }
  75% { clip: rect(2px, 9999px, 40px, 0); }
  80% { clip: rect(63px, 9999px, 27px, 0); }
  85% { clip: rect(34px, 9999px, 55px, 0); }
  90% { clip: rect(86px, 9999px, 73px, 0); }
  95% { clip: rect(2px, 9999px, 40px, 0); }
  100% { clip: rect(42px, 9999px, 44px, 0); }
}

@keyframes blur {
  0% { text-shadow: 0 0 0 #ff0000, 0 0 0 #00ff00; }
  100% { text-shadow: 2px 0 0 #ff0000, -2px 0 0 #00ff00; }
}

@keyframes noise {
  0%, 20%, 40%, 60%, 70%, 90% { opacity: 1; }
  10%, 50%, 80% { opacity: 0.5; }
}

/* Particle effect */
.particle-container {
  position: relative;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  animation: float-particle 3s linear infinite;
}

@keyframes float-particle {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 1;
    transform: translateY(90vh) scale(1);
  }
  90% {
    opacity: 1;
    transform: translateY(10vh) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
}

/* ================================
   📱 MOBILE OPTIMIZATIONS & GESTURES
   ================================ */

/* Pull to refresh indicator */
.pull-to-refresh-indicator {
  position: fixed;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-xl);
  transition: all 0.3s var(--ease-out-cubic);
  opacity: 0;
}

.pull-to-refresh-indicator.ready-to-refresh {
  background: linear-gradient(135deg, var(--success), rgba(16, 185, 129, 0.8));
  color: white;
}

.pull-to-refresh-indicator.refreshing {
  background: linear-gradient(135deg, var(--primary), rgba(99, 102, 241, 0.8));
  color: white;
}

.pull-to-refresh-indicator .pull-icon {
  transition: transform 0.3s ease;
}

.pull-to-refresh-indicator.ready-to-refresh .pull-icon {
  transform: rotate(180deg);
}

.pull-to-refresh-indicator.refreshing .pull-icon {
  animation: rotate-360 1s linear infinite;
}

/* Bottom navigation */
.bottom-navigation {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--primary-gradient);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl), var(--glow);
  border-top: 1px solid var(--glass-border);
  padding: 0.75rem 0 calc(0.75rem + env(safe-area-inset-bottom));
  display: none;
}

.bottom-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 1rem;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-cubic);
  border-radius: 12px;
  min-width: 60px;
  font-size: 0.75rem;
}

.bottom-nav-item i {
  font-size: 1.2rem;
}

.bottom-nav-item.active {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.bottom-nav-item:hover:not(.active) {
  color: var(--text-secondary);
  background: var(--glass-bg);
}

/* Touch device optimizations */
.touch-device .quantum-btn,
.touch-device .action-btn,
.touch-device .link-card {
  min-height: 44px;
  min-width: 44px;
}

.touch-device .quantum-input {
  min-height: 44px;
  font-size: 16px; /* Prevents zoom on iOS */
}

.touch-device .quantum-table th,
.touch-device .quantum-table td {
  padding: 1rem 0.75rem;
}

/* iOS specific optimizations */
.ios-device {
  -webkit-overflow-scrolling: touch;
}

.ios-device .quantum-card {
  transform: translateZ(0); /* Force hardware acceleration */
}

.ios-device input,
.ios-device select,
.ios-device textarea {
  border-radius: 0; /* Remove iOS default styling */
}

/* Landscape mode optimizations */
.landscape-mode .quantum-header {
  padding: 1rem 0;
}

.landscape-mode .quantum-main {
  padding-bottom: 1rem;
}

.landscape-mode .quantum-grid {
  gap: 1rem;
}

/* Portrait mode optimizations */
.portrait-mode .bottom-navigation {
  display: flex;
}

.portrait-mode .quantum-main {
  padding-bottom: 5rem; /* Space for bottom navigation */
}

/* Swipe gestures visual feedback */
.swipe-feedback {
  position: relative;
  overflow: hidden;
}

.swipe-feedback::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.3s ease;
}

.swipe-feedback.swiping::before {
  left: 100%;
}

/* Double tap zoom effect */
.zoomed {
  transform: scale(1.1) !important;
  z-index: 1000 !important;
  transition: transform 0.3s var(--ease-out-cubic) !important;
  box-shadow: var(--shadow-2xl) !important;
}

/* Haptic feedback visual cue */
.haptic-feedback {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

/* Mobile scroll improvements */
.touch-device {
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}

.touch-device * {
  -webkit-tap-highlight-color: transparent;
}

/* Mobile-first grid adjustments */
@media (max-width: 768px) {
  .quantum-grid.stagger-parent > * {
    animation-delay: 0.1s !important;
  }
  
  .quantum-card {
    border-radius: 16px;
    margin-bottom: 1rem;
  }
  
  .hero-card {
    margin-bottom: 2rem;
  }
  
  .stats-panel .stats-grid {
    gap: 1rem;
  }
  
  .metric-card {
    padding: 1rem;
  }
  
  .qr-section {
    padding: 1.5rem;
  }
  
  .links-section .links-grid {
    gap: 1rem;
  }
  
  .link-card {
    padding: 1rem;
  }
}

/* ================================
   🏠 DASHBOARD SPECIFIC STYLES
   ================================ */

/* Hero Card */
.hero-card {
  background: var(--hero-gradient);
  border: 2px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--glow);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  animation: shimmer 3s ease-in-out infinite;
}

/* Quick Actions */
.quick-actions {
  margin-top: 2rem;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.action-btn {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.action-btn i {
  font-size: 1.5rem;
}

.action-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-2xl);
}

/* Stats Panel */
.stats-panel {
  background: linear-gradient(135deg, var(--bg-secondary), var(--glass-bg));
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.stats-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--glass-bg);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.metric-card:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.metric-content {
  flex: 1;
  min-width: 0;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.metric-change {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 0.5rem;
}

.metric-change.positive {
  color: var(--success);
}

.metric-change.negative {
  color: var(--danger);
}

.metric-change.neutral {
  color: var(--text-muted);
}

/* Management Cards */
.management-card {
  position: relative;
  transition: var(--transition);
}

.management-card:hover {
  transform: translateY(-2px);
}

/* QR Section */
.qr-section {
  background: linear-gradient(135deg, var(--glass-bg), var(--bg-secondary));
  position: relative;
}

.qr-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.qr-display-area {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--glass-bg);
  border: 2px dashed var(--glass-border);
  border-radius: 20px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.qr-display-area.active {
  border-color: var(--primary);
  box-shadow: var(--glow);
}

.instruction-list {
  margin: 0.5rem 0 0 1rem;
  padding: 0;
  list-style: none;
}

.instruction-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.instruction-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* Table Cards */
.table-card {
  height: fit-content;
  max-height: 500px;
  overflow: hidden;
}

.loading-state {
  padding: 3rem;
  text-align: center;
  color: var(--text-secondary);
}

.loading-state .quantum-spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
}

.btn-loader {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.btn-loader .spinner-ring {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

/* Links Section */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
  transition: var(--transition);
}

.link-card:hover::before {
  left: 100%;
}

.link-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  text-decoration: none;
  color: inherit;
}

.link-card.featured {
  background: linear-gradient(135deg, var(--glass-bg), rgba(99, 102, 241, 0.05));
  border-color: var(--primary);
}

.link-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.link-content {
  flex: 1;
  min-width: 0;
}

.link-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  color: var(--text-primary);
}

.link-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
}

.link-arrow {
  font-size: 1rem;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.link-card:hover .link-arrow {
  color: var(--primary);
  transform: translateX(2px);
}

/* Dashboard Responsive Adjustments */
@media (max-width: 768px) {
  .action-grid {
    grid-template-columns: 1fr;
  }
  
  .action-btn {
    aspect-ratio: auto;
    flex-direction: row;
    padding: 1rem 1.5rem;
  }
  
  .stats-grid {
    gap: 1rem;
  }
  
  .qr-controls {
    gap: 1rem;
  }
  
  .links-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .metric-card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem 1rem;
  }
  
  .metric-icon {
    margin-bottom: 0.5rem;
  }
  
  .link-card {
    padding: 1rem;
  }
  
  .link-content h4 {
    font-size: 0.95rem;
  }
  
  .link-content p {
    font-size: 0.8rem;
  }
}

/* Additional Dashboard Styles */
.code-badge {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-badge.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.student-info, .class-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.student-info small, .class-info small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.empty-state {
  padding: 3rem;
  text-align: center;
  color: var(--text-muted);
}

.qr-display {
  animation: slideInUp 0.5s ease-out;
}

/* ================================
   🎭 MODERN MODALS & DIALOGS
   ================================ */

/* Modal System */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-out-cubic);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  transform: translateY(50px) scale(0.9);
  transition: all 0.3s var(--ease-out-cubic);
  position: relative;
}

.modal-overlay.show .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-title i {
  padding: 0.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 1rem;
}

.modal-close {
  background: var(--bg-secondary);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--danger);
  color: white;
  transform: scale(1.1);
}

.modal-body {
  padding: 2rem;
}

.modal-footer {
  padding: 1rem 2rem 2rem;
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  border-top: 1px solid var(--border-light);
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  position: relative;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-label.required::after {
  content: '*';
  color: var(--danger);
  margin-left: 0.25rem;
}

.quantum-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition);
  font-family: inherit;
}

.quantum-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-1px);
}

.quantum-input:invalid {
  border-color: var(--danger);
}

.quantum-input.success {
  border-color: var(--success);
}

.input-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.form-error {
  color: var(--danger);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.form-error.show {
  display: block;
}

.form-success {
  color: var(--success);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.form-success.show {
  display: block;
}

/* Advanced Input States */
.input-wrapper {
  position: relative;
}

.floating-label {
  position: absolute;
  left: 1rem;
  top: 0.875rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.2s var(--ease-out-cubic);
  background: var(--bg-primary);
  padding: 0 0.25rem;
}

.quantum-input:focus + .floating-label,
.quantum-input:not(:placeholder-shown) + .floating-label {
  top: -0.5rem;
  left: 0.75rem;
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

/* Search & Filter */
.search-filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--glass-bg);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
}

.search-input {
  flex: 1;
  position: relative;
}

.search-input input {
  padding-left: 3rem;
}

.search-input .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  z-index: 1;
}

.filter-select {
  min-width: 150px;
}

.quantum-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Action Buttons */
.btn-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.quantum-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.quantum-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.quantum-btn.loading {
  pointer-events: none;
}

.quantum-btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.3);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #d97706);
  color: white;
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Confirmation Dialog */
.confirm-dialog {
  text-align: center;
}

.confirm-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
  animation: pulse-glow 2s ease-in-out infinite;
}

.confirm-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.confirm-message {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.confirm-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Progress Indicators */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 3px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-image: linear-gradient(45deg, 
    transparent 25%, 
    rgba(255,255,255,0.2) 25%, 
    rgba(255,255,255,0.2) 50%, 
    transparent 50%, 
    transparent 75%, 
    rgba(255,255,255,0.2) 75%);
  background-size: 20px 20px;
  animation: progress-animate 1s linear infinite;
}

@keyframes progress-animate {
  0% { background-position: 0 0; }
  100% { background-position: 20px 0; }
}

/* Mobile touch targets */
@media (max-width: 480px) {
  .nav-controls {
    gap: 0.75rem;
  }
  
  .nav-status {
    display: none;
  }
  
  .page-title {
    font-size: 1.75rem;
  }
  
  .quantum-btn {
    width: 100%;
  }
  
  .quantum-card {
    padding: 1rem;
    border-radius: 16px;
  }
}

/* ================================
   🎭 DARK THEME ANIMATIONS
   ================================ */

.theme-transition {
  transition: 
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

/* ================================
   ⚡ PERFORMANCE OPTIMIZATIONS
   ================================ */

.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-layer {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* ================================
   🎪 UTILITY CLASSES
   ================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.m-0 { margin: 0; }
.m-1 { margin: 0.5rem; }
.m-2 { margin: 1rem; }
.m-4 { margin: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-4 { padding: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-4 { gap: 2rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.select-text { user-select: text; }

/* Performance optimizations */

/* Reduce animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Use CSS containment for better rendering performance */
.quantum-card {
    contain: layout style;
}

.quantum-table {
    contain: layout;
}

/* Optimize repaints by using transform instead of changing position */
.search-highlight {
    transform: scale(1.02);
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), transparent);
    transition: all 0.2s ease;
}

/* Use will-change for elements that will be animated */
.quantum-btn:hover,
.link-card:hover,
.tilt-card {
    will-change: transform;
}

/* Improve scroll performance */
.quantum-table-container {
    will-change: scroll-position;
}

/* Use hardware acceleration for animations */
.animate-in {
    opacity: 1;
    transform: translateY(0) translateZ(0);
    /* Remove conflicting animations */
}

.slide-reveal.revealed,
.text-reveal.revealed {
    transform: translateZ(0);
    opacity: 1;
}

/* Optimize loading states */
.loading-state {
    contain: layout style;
}

.quantum-spinner {
    will-change: transform;
}

/* Optimize table rendering */
.quantum-table tbody tr {
    contain: layout style;
}

/* Reduce paint complexity for hover effects */
.action-buttons button {
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* Fix animation visibility issues */
.quantum-grid.grid-hero,
.quantum-card.hero-card,
.quantum-card.stats-panel,
.hero-card,
.stats-panel {
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
}

/* Ensure all animate-in elements are visible by default */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
}

/* Text reveal elements should be visible */
.text-reveal,
.text-reveal.revealed {
    opacity: 1 !important;
    visibility: visible !important;
}

.text-reveal span {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Slide reveal elements should be visible */
.slide-reveal,
.slide-reveal.revealed {
    opacity: 1 !important;
    visibility: visible !important;
}

.slide-reveal-content {
    opacity: 1 !important;
    transform: translateX(0) !important;
}

/* Enhanced Navigation Styles */
.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: 0 0 20px 20px;
    padding: 1rem;
    margin: 0;
    flex-direction: column;
    gap: 0.5rem;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.nav-menu.active {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

@media (min-width: 768px) {
    .nav-menu {
        position: static;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        margin: 0 2rem;
        background: none;
        border: none;
        border-radius: 0;
        padding: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
    }
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    backdrop-filter: blur(10px);
    width: 100%;
    justify-content: flex-start;
}

@media (min-width: 768px) {
    .nav-link {
        gap: 0.5rem;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        width: auto;
        justify-content: center;
    }
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-link.scanner-link {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    font-weight: 600;
}

.nav-link.scanner-link:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--glow);
}

.nav-link i {
    width: 18px;
    height: 18px;
}

/* Navigation Controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-btn {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
    display: none;
}

.notification-badge.active {
    display: block;
    animation: pulse 2s infinite;
}

/* Status Indicator */
.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-indicator.online {
    background: var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.status-indicator.offline {
    background: var(--danger);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    width: 35px;
    height: 35px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: var(--glass-bg);
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border: 1px solid var(--glass-border);
        border-radius: 0 0 20px 20px;
        padding: 1rem;
        margin: 0;
        flex-direction: column;
        gap: 0.5rem;
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 1000;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        justify-content: flex-start;
        width: 100%;
        padding: 1rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-controls {
        gap: 0.5rem;
    }
    
    .status-text {
        display: none;
    }
}

/* Theme Toggle Enhancement */
.theme-icon {
    transition: var(--transition);
    position: absolute;
}

.theme-icon.light-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-icon.dark-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0.8);
}

.theme-dark .theme-icon.light-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0.8);
}

.theme-dark .theme-icon.dark-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Layout Optimizations */
.quantum-main {
    padding-top: 2rem;
    min-height: calc(100vh - 200px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Improvements */
.quantum-header {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0.5rem 0 0;
    max-width: 600px;
}

/* Quick Stats Enhancement */
.quick-stats {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: var(--transition);
    min-width: 120px;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: rgba(99, 102, 241, 0.05);
}

.stat-item i {
    color: var(--primary);
    width: 20px;
    height: 20px;
}

.stat-item span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 30px;
    text-align: center;
}

.stat-item small {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

/* Grid System Improvements */
.quantum-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.grid-hero {
    grid-template-columns: 2fr 1fr;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Card Improvements */
.quantum-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition);
}

.quantum-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(99, 102, 241, 0.2);
}

/* Footer Improvements */
.quantum-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary);
    background: var(--glass-bg);
    transform: translateY(-2px);
}

/* Responsive Optimizations */
@media (max-width: 1200px) {
    .grid-hero {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .quantum-main {
        padding-top: 1rem;
    }
    
    .quantum-header {
        padding: 1rem 0;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .quick-stats {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .stat-item {
        justify-content: center;
        width: 100%;
        min-width: auto;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .quantum-card {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.75rem;
    }
    
    .quantum-card {
        padding: 1rem;
        border-radius: 16px;
    }
    
    .stat-item {
        padding: 0.75rem 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .stat-item span {
        font-size: 1.25rem;
    }
}

/* ================================
   👤 USER MENU & AUTH STYLES
   ================================ */

/* Auth Buttons for Non-Authenticated Users */
.auth-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-buttons .nav-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.login-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.login-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.register-btn {
  background: var(--primary-gradient);
  color: white;
  border: none;
}

.register-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* User Menu for Authenticated Users */
.user-menu {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
  min-width: 0;
}

.user-btn:hover {
  background: var(--bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.user-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.user-arrow {
  color: var(--text-muted);
  transition: var(--transition);
}

.user-btn:hover .user-arrow,
.user-menu.active .user-arrow {
  transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 280px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
}

.user-menu.active .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-avatar-large {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name-large {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.user-email {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.125rem;
}

.user-code {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: var(--bg-secondary);
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0.5rem 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 0.875rem;
}

.dropdown-item:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.dropdown-item i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.logout-form {
  margin: 0;
}

.logout-btn {
  color: var(--danger);
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .user-info {
    display: none;
  }
  
  .user-btn {
    padding: 0.5rem;
    min-width: auto;
  }
  
  .mobile-hidden {
    display: none;
  }
  
  .auth-buttons .nav-btn {
    padding: 0.5rem;
  }
  
  .user-dropdown {
    right: -1rem;
    left: -1rem;
    min-width: auto;
  }
}

/* Click outside to close dropdown */
.dropdown-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  background: transparent;
}

/* ================================
   📚 PÁGINAS ESPECÍFICAS - MOBILE FIRST
   ================================ */

/* Management Grid - Students Page */
.management-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .management-grid {
        grid-template-columns: 2fr 1fr;
        gap: 2rem;
    }
}

/* Quick Actions Grid */
.quick-actions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 480px) {
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .quick-actions-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1024px) {
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Action Cards */
.action-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    width: 100%;
}

.action-card:hover {
    background: var(--glass-bg);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.action-content h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.action-content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* Students Grid */
.students-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 600px) {
    .students-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .students-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    .students-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Student Card */
.student-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.student-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.student-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.student-card:hover::before {
    opacity: 1;
}

.student-info {
    text-align: center;
    margin-bottom: 1.5rem;
}

.student-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.student-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.student-code {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

.student-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (min-width: 480px) {
    .student-actions {
        flex-wrap: nowrap;
    }
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.btn-icon.btn-view {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.btn-icon.btn-view:hover {
    background: var(--primary);
    color: white;
}

.btn-icon.btn-qr {
    background: var(--success);
    color: white;
}

.btn-icon.btn-qr:hover {
    background: #059669;
    transform: scale(1.1);
}

.btn-icon.btn-edit {
    background: var(--warning);
    color: white;
}

.btn-icon.btn-edit:hover {
    background: #d97706;
    transform: scale(1.1);
}

.btn-icon.btn-delete {
    background: var(--danger);
    color: white;
}

.btn-icon.btn-delete:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* ================================
   📊 ATTENDANCE PAGE - MOBILE FIRST
   ================================ */

/* Attendance Header */
.attendance-header {
    margin-bottom: 2rem;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .header-actions {
        justify-content: flex-end;
        flex-wrap: nowrap;
        gap: 1rem;
    }
}

.btn-text {
    display: none;
}

@media (min-width: 600px) {
    .btn-text {
        display: inline;
        margin-left: 0.5rem;
    }
}

/* Filters Panel */
.filters-panel {
    margin-bottom: 2rem;
}

.filters-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 600px) {
    .filters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .filters-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (min-width: 600px) {
    .filter-actions {
        justify-content: flex-start;
        flex-wrap: nowrap;
    }
}

/* Attendance Statistics */
.attendance-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 600px) {
    .attendance-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.success {
    background: linear-gradient(135deg, var(--success), #059669);
}

.stat-icon.primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.stat-icon.warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
}

.stat-content {
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Attendance List */
.attendance-list {
    margin-bottom: 2rem;
}

.loading-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-state p {
    margin: 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Attendance Items */
.attendance-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.attendance-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.attendance-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.attendance-item:hover::before {
    opacity: 1;
}

.attendance-header-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

@media (min-width: 600px) {
    .attendance-header-item {
        flex-wrap: nowrap;
    }
}

.attendance-info {
    flex: 1;
    min-width: 0;
}

.student-name-attendance {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.student-code-attendance {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.attendance-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.badge-qr {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-manual {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.attendance-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

@media (min-width: 600px) {
    .attendance-details {
        grid-template-columns: repeat(3, 1fr);
    }
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.detail-icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.detail-text {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Empty State */
.attendance-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.attendance-empty i {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.3;
}

.attendance-empty h3 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
}

.attendance-empty p {
    margin: 0;
    font-size: 1rem;
}

/* Mobile Optimizations */
@media (max-width: 480px) {
    .attendance-header {
        margin-bottom: 1rem;
    }
    
    .header-actions {
        width: 100%;
    }
    
    .header-actions .quantum-btn {
        flex: 1;
        justify-content: center;
    }
    
    .filters-panel .card-header {
        padding: 1rem;
    }
    
    .filters-grid {
        padding: 0 1rem 1rem;
    }
    
    .attendance-stats {
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .attendance-item {
        padding: 0.75rem;
    }
    
    .attendance-header-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .attendance-badge {
        align-self: flex-start;
    }
}