/* 
  QMIA LMS Theme main stylesheet
  - Blue & White elegant design
  - Animated backgrounds
  - Glass morphism effects
  - Dark mode support
*/

/* Layout */
.qmia-header {
  border-bottom: 1px solid var(--qmia-border);
  background: var(--qmia-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--qmia-shadow);
}
.qmia-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
}
.qmia-brand__link {
  font-weight: 800;
  font-size: 1.25rem;
  background: var(--qmia-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.qmia-nav {
  display: none;
}
.qmia-nav.open {
  display: block;
}
.qmia-nav__list {
  list-style: none;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.qmia-nav__list a {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-weight: 500;
  color: var(--qmia-text-secondary);
  transition: var(--qmia-transition);
  position: relative;
}
.qmia-nav__list a:hover {
  color: var(--qmia-primary);
  background: rgba(37, 99, 235, 0.08);
}
.qmia-nav__list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--qmia-primary-gradient);
  transition: var(--qmia-transition);
  transform: translateX(-50%);
}
.qmia-nav__list a:hover::after {
  width: 60%;
}

.qmia-nav__toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.qmia-nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--qmia-text);
}

.qmia-main {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.qmia-footer {
  border-top: 1px solid var(--qmia-border);
  background: var(--qmia-glass);
  backdrop-filter: blur(20px);
  margin-top: 3rem;
  box-shadow: 0 -4px 6px -1px rgba(37, 99, 235, 0.05);
}
.qmia-footer__inner {
  padding: 1.5rem 0;
  text-align: center;
  color: var(--qmia-muted);
  font-size: 0.9rem;
}

/* Components */
.qmia-button {
  display: inline-block;
  background: var(--qmia-primary-gradient);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--qmia-transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--qmia-shadow);
  position: relative;
  overflow: hidden;
}
.qmia-button::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 0.5s;
}
.qmia-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--qmia-glow);
  text-decoration: none;
}
.qmia-button:hover::before {
  left: 100%;
}
.qmia-button:active {
  transform: translateY(0);
}
.qmia-button--secondary {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}
.qmia-button--secondary:hover {
  box-shadow: 0 0 20px rgba(30, 41, 59, 0.4);
}

.qmia-link-button {
  background: none;
  border: none;
  padding: 0;
  color: var(--qmia-primary);
  cursor: pointer;
}

.qmia-card {
  border: 1px solid var(--qmia-border);
  border-radius: 16px;
  padding: 1.5rem;
  background: var(--qmia-surface);
  box-shadow: var(--qmia-shadow);
  transition: var(--qmia-transition);
  backdrop-filter: blur(10px);
}
.qmia-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--qmia-shadow-lg);
  border-color: rgba(37, 99, 235, 0.25);
}

.qmia-alert {
  border: 1px solid var(--qmia-warning);
  background: #fff7ed;
  color: #7c2d12;
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.qmia-form {
  display: grid;
  gap: 0.75rem;
}
.qmia-form label {
  display: grid;
  gap: 0.4rem;
}
.qmia-form label.qmia-inline{
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
}
.qmia-form input[type="text"],
.qmia-form input[type="email"],
.qmia-form input[type="password"],
.qmia-form select {
  border: 2px solid var(--qmia-border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background: var(--qmia-bg-alt);
  color: var(--qmia-text);
  transition: var(--qmia-transition);
}
.qmia-form input[type="text"]:focus,
.qmia-form input[type="email"]:focus,
.qmia-form input[type="password"]:focus,
.qmia-form select:focus {
  outline: none;
  border-color: var(--qmia-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}
.qmia-password-wrap{
  position: relative;
  display: flex;
  align-items: center;
}
.qmia-password-wrap > input[type="password"],
.qmia-password-wrap > input[type="text"]{
  width: 100%;
  padding-right: 2.5rem;
}
.qmia-eye-toggle{
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: var(--qmia-text-secondary);
}
.qmia-eye-toggle:hover{
  color: var(--qmia-primary);
}
.qmia-inline {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

/* Sections */
.qmia-hero {
  background: 
    linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(59, 130, 246, 0.05) 50%, rgba(147, 197, 253, 0.08) 100%),
    var(--qmia-surface);
  border: 1px solid var(--qmia-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--qmia-shadow-lg);
}
.qmia-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
  animation: heroGlow 10s ease-in-out infinite alternate;
}
@keyframes heroGlow {
  0% { transform: scale(1) rotate(0deg); opacity: 0.5; }
  100% { transform: scale(1.1) rotate(10deg); opacity: 0.8; }
}
.qmia-hero__title {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--qmia-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.qmia-hero__subtitle {
  color: var(--qmia-text-secondary);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}
.qmia-hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.qmia-courses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.qmia-auth__forms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.qmia-auth__switch {
  margin-top: 0.5rem;
}
.qmia-hidden {
  display: none;
}

/* Theme toggle button */
.qmia-theme-toggle {
  margin-left: 0.5rem;
  border: 2px solid var(--qmia-border);
  background: var(--qmia-glass);
  color: var(--qmia-primary);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--qmia-transition);
  font-size: 1.25rem;
}
.qmia-theme-toggle:hover {
  background: var(--qmia-primary);
  color: white;
  border-color: var(--qmia-primary);
  transform: rotate(20deg) scale(1.1);
  box-shadow: var(--qmia-glow);
}
.qmia-theme-toggle__icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

/* Dark theme variables override - Night Mode */
[data-theme="dark"] {
  /* Primary Blue Palette - Brighter for dark mode */
  --qmia-primary: #60a5fa;
  --qmia-primary-light: #93c5fd;
  --qmia-primary-dark: #3b82f6;
  --qmia-primary-gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
  
  /* Dark Background Colors */
  --qmia-bg: #0f172a;
  --qmia-bg-alt: #1e293b;
  --qmia-surface: rgba(30, 41, 59, 0.95);
  
  /* Text Colors */
  --qmia-text: #f1f5f9;
  --qmia-text-secondary: #cbd5e1;
  --qmia-muted: #94a3b8;
  
  /* Border & Effects */
  --qmia-border: rgba(96, 165, 250, 0.2);
  --qmia-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --qmia-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --qmia-glow: 0 0 30px rgba(96, 165, 250, 0.4);
  
  /* Glass Effect */
  --qmia-glass: rgba(15, 23, 42, 0.8);
  --qmia-glass-border: rgba(96, 165, 250, 0.15);
}

/* Dark mode background animation */
[data-theme="dark"] body::before {
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(96, 165, 250, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(147, 197, 253, 0.05) 0%, transparent 70%);
}

[data-theme="dark"] body::after {
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(96, 165, 250, 0.05) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, rgba(59, 130, 246, 0.05) 2px, transparent 2px);
}

/* Panels respect theme variables */
:root {
  --qmia-panel: #ffffff;
}
[data-theme="dark"] {
  --qmia-panel: #1e293b;
}

/* Additional Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
  }
}

.qmia-card {
  animation: fadeInUp 0.6s ease-out;
}

.qmia-hero {
  animation: fadeInUp 0.8s ease-out;
}

/* Floating particles effect */
.qmia-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
  animation: particlesFloat 15s ease-in-out infinite;
  pointer-events: none;
}

@keyframes particlesFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, 20px); }
}

/* Dashboard Styles */
.qmia-dashboard {
  position: relative;
}

.qmia-dashboard__header {
  text-align: center;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease-out;
}

.qmia-dashboard__title {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--qmia-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.qmia-dashboard__subtitle {
  color: var(--qmia-primary);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.qmia-home-courses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.qmia-home-card {
  border: 1px solid var(--qmia-border);
  border-radius: 16px;
  padding: 1.25rem;
  background: var(--qmia-surface);
  box-shadow: var(--qmia-shadow);
}
.qmia-home-card__title {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--qmia-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin: 0 0 6px 0;
}
.qmia-home-card__desc {
  color: var(--qmia-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

.qmia-dashboard__tagline {
  color: var(--qmia-text-secondary);
  font-size: 1.1rem;
  margin-top: 0.25rem;
}

.qmia-dashboard__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* Welcome Card */
.qmia-card--welcome {
  position: relative;
  overflow: hidden;
  background: var(--qmia-primary-gradient);
  color: white;
  border: none;
  animation: fadeInUp 0.6s ease-out;
}

.qmia-card--welcome h2 {
  color: white;
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.qmia-card--welcome p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

.qmia-card__gradient {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, -30px) scale(1.1); }
}

.qmia-welcome__stats {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Stat Cards */
.qmia-card--stat,
.qmia-card--highlight {
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
}

.qmia-card--stat:nth-child(1) { animation-delay: 0.1s; }
.qmia-card--stat:nth-child(2) { animation-delay: 0.2s; }
.qmia-card--stat:nth-child(3) { animation-delay: 0.3s; }
.qmia-card--stat:nth-child(4) { animation-delay: 0.4s; }

.qmia-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.qmia-card__icon--blue {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qmia-card__icon--green {
  background: linear-gradient(135deg, #10b981, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qmia-card__icon--purple {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qmia-card__icon--gold {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.qmia-card__note {
  font-size: 0.875rem;
  color: var(--qmia-muted);
}

/* Progress Bar */
.qmia-progress {
  width: 100%;
  height: 8px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.qmia-progress__bar {
  height: 100%;
  background: var(--qmia-primary-gradient);
  border-radius: 4px;
  transition: width 1s ease-out;
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Badges */
.qmia-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(10px);
}

.qmia-badge--success {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.qmia-badge--warning {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

/* Links */
.qmia-link {
  color: var(--qmia-primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--qmia-transition);
}

.qmia-link:hover {
  color: var(--qmia-primary-dark);
  transform: translateX(4px);
  display: inline-block;
}

/* Small Button */
.qmia-button--small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Exam Results Cards */
.qmia-exam-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.qmia-exam-card {
  background: var(--qmia-card-bg);
  border: 1px solid var(--qmia-border);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--qmia-shadow);
  transition: var(--qmia-transition);
}

.qmia-exam-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--qmia-shadow-lg);
}

.qmia-exam-card--passed {
  border-left: 4px solid #10b981;
}

.qmia-exam-card--failed {
  border-left: 4px solid #ef4444;
}

.qmia-exam-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.qmia-exam-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.qmia-exam-card--passed .qmia-exam-card__badge {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.qmia-exam-card--failed .qmia-exam-card__badge {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.qmia-exam-card__date {
  font-size: 0.875rem;
  color: var(--qmia-muted);
}

.qmia-exam-card__course {
  font-size: 1.1rem;
  color: var(--qmia-primary);
  margin-bottom: 0.25rem;
}

.qmia-exam-card__stage {
  font-size: 0.95rem;
  color: var(--qmia-text-secondary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--qmia-border);
}

.qmia-exam-card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.qmia-exam-card__stat {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.qmia-exam-card__label {
  font-size: 0.75rem;
  color: var(--qmia-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.qmia-exam-card__value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--qmia-text);
}

.qmia-exam-card__value--score {
  color: var(--qmia-primary);
}

.qmia-exam-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--qmia-muted);
}

@media (min-width: 640px) {
  .qmia-exam-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qmia-exam-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Materials Section */
.qmia-card--materials {
  animation: fadeInUp 0.8s ease-out;
}

/* Current Stage Card */
.qmia-card--current-stage {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(37, 99, 235, 0.1));
  border: 2px solid var(--qmia-primary);
}

.qmia-stage-info {
  margin: 1rem 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 8px;
}

.qmia-payment-notice {
  padding: 1rem;
  background: #fef3c7;
  border-radius: 8px;
  border-left: 4px solid #f59e0b;
}

.qmia-unlocked {
  color: #10b981;
  font-weight: 600;
}

.qmia-free {
  color: var(--qmia-primary);
  font-weight: 600;
}

.qmia-exam-actions {
  margin-top: 1.5rem;
  text-align: center;
}

.qmia-button--large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.qmia-exam-note {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--qmia-muted);
}

.qmia-completion-message {
  text-align: center;
  padding: 2rem;
}

/* Consultation Card */
.qmia-card--consultation {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(139, 92, 246, 0.1));
  border: 2px solid #8b5cf6;
}

.qmia-button--secondary {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
}

.qmia-button--secondary:hover {
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
}

/* Modals */
.qmia-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
}

.qmia-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.qmia-modal__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--qmia-card-bg);
  border-radius: 16px;
  padding: 2rem;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  width: 600px;
}

.qmia-modal__content--exam {
  width: 800px;
  max-width: 95vw;
}

.qmia-modal__content--material {
  width: 900px;
  max-width: 95vw;
  height: 90vh;
  padding: 0;
}

.qmia-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--qmia-text);
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--qmia-transition);
}

.qmia-modal__close:hover {
  background: rgba(0, 0, 0, 0.1);
}

/* Material Viewer */
.qmia-material-viewer {
  height: 100%;
  padding: 2rem;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.qmia-material-viewer iframe,
.qmia-material-viewer video,
.qmia-material-viewer embed {
  width: 100%;
  height: calc(90vh - 4rem);
  border: none;
  pointer-events: auto;
}

.qmia-material-viewer img {
  max-width: 100%;
  height: auto;
}

/* Anti-copy protection overlay */
.qmia-material-viewer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 5;
}

/* Form Styles */
.qmia-form-group {
  margin-bottom: 1.25rem;
}

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

.qmia-form-group input,
.qmia-form-group select,
.qmia-form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--qmia-border);
  border-radius: 8px;
  background: var(--qmia-input-bg);
  color: var(--qmia-text);
  font-family: inherit;
}

.qmia-form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Exam in Modal */
.qmia-exam-form {
  padding: 1rem 0;
}

.qmia-question {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(37, 99, 235, 0.05);
  border-radius: 12px;
  border-left: 4px solid var(--qmia-primary);
}

.qmia-question__text {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.qmia-question__choices {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.qmia-question__choice {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--qmia-card-bg);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--qmia-transition);
}

.qmia-question__choice:hover {
  background: rgba(37, 99, 235, 0.1);
}

.qmia-question__choice input {
  width: auto;
}

/* Success Message */
.qmia-success-message {
  text-align: center;
  padding: 2rem;
}

.qmia-success-message h3 {
  color: #10b981;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.qmia-whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: #25d366;
  color: white;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
}

.qmia-whatsapp-link:hover {
  background: #128c7e;
  color: white;
}

/* Materials Grid */
.qmia-materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.qmia-material-card {
  background: var(--qmia-card-bg);
  border: 1px solid var(--qmia-border);
  border-radius: 12px;
  padding: 1.25rem;
  transition: var(--qmia-transition);
}

.qmia-material-card:hover {
  box-shadow: var(--qmia-shadow-lg);
}

.qmia-material-card--locked {
  opacity: 0.6;
  background: rgba(0, 0, 0, 0.02);
}

.qmia-material-card--completed {
  border-left: 4px solid #10b981;
}

.qmia-material-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.qmia-material-card__stage {
  font-size: 0.875rem;
  color: var(--qmia-muted);
  font-weight: 600;
}

.qmia-material-card__badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.qmia-material-card__badge--success {
  background: #d1fae5;
  color: #065f46;
}

.qmia-material-card__badge--locked {
  background: #fee2e2;
  color: #991b1b;
}

.qmia-material-card__badge--payment {
  background: #fef3c7;
  color: #92400e;
}

.qmia-material-card__badge--open {
  background: #dbeafe;
  color: #1e40af;
}

.qmia-material-card__title {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--qmia-text);
}

.qmia-material-card__items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.qmia-material-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--qmia-transition);
  text-align: left;
  width: 100%;
}

.qmia-material-item:hover {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--qmia-primary);
}

.qmia-material-item__icon {
  font-size: 1.25rem;
}

.qmia-material-item__name {
  flex: 1;
  font-size: 0.95rem;
  color: var(--qmia-text);
}

.qmia-material-item__action {
  font-size: 0.875rem;
  color: var(--qmia-primary);
  font-weight: 600;
}

.qmia-material-card__message {
  color: var(--qmia-muted);
  font-size: 0.9rem;
  margin: 0.5rem 0;
}

/* Material Content Protection */
.qmia-material-content {
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.qmia-material-notice {
  margin-top: 1rem;
  padding: 0.75rem;
  background: #fef3c7;
  border-radius: 8px;
  text-align: center;
  font-size: 0.875rem;
  color: #92400e;
}

@media (min-width: 640px) {
  .qmia-materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qmia-materials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Responsive tweaks */
@media (min-width: 768px) {
  .qmia-nav {
    display: block;
  }
  .qmia-nav__toggle {
    display: none;
  }
  .qmia-courses {
    grid-template-columns: repeat(3, 1fr);
  }
  .qmia-auth__forms {
    grid-template-columns: 1fr 1fr;
  }
  .qmia-hero__title {
    font-size: 3.5rem;
  }
  .qmia-hero {
    padding: 4rem 3rem;
  }
  .qmia-dashboard__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qmia-dashboard__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}