/*
 * This is a manifest file that'll be compiled into application.css.
 *
 * With Propshaft, assets are served efficiently without preprocessing steps. You can still include
 * application-wide styles in this file, but keep in mind that CSS precedence will follow the standard
 * cascading order, meaning styles declared later in the document or manifest will override earlier ones,
 * depending on specificity.
 *
 * Consider organizing styles into separate files for maintainability.
 */

/* Workspace styles are included automatically by Propshaft */
/* Note: essay_tutor.css is loaded separately when needed */

/* Prevent horizontal overflow on mobile devices */
html, body {
  overflow-x: hidden;
  width: 100%;
}

/* Ensure proper viewport behavior on mobile */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
    position: relative;
  }

  /* Prevent any element from causing horizontal scroll */
  * {
    max-width: 100vw;
  }
}

@keyframes bounce-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
    transform: scale(1);
  }
  50% { 
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
    transform: scale(1.03);
  }
}

.animate-bounce-slow { animation: bounce-slow 3s ease-in-out infinite; }
.animate-spin-slow { animation: spin-slow 6s linear infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }

/* Notification animations */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.animate-slide-in-right { animation: slideInRight 0.3s ease-out; }
.animate-slide-out-right { animation: slideOutRight 0.3s ease-out; }

/* Fade in animation for dropdowns */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in { animation: fadeIn 0.2s ease-out; }

/* Modal slide up animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-up { animation: slideUp 0.3s ease-out; }

.class-card-container {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

@media (min-width: 1024px) {
  .class-card-container {
    gap: 2.75rem;
  }
}

.class-card {
  position: relative;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 30px 55px -30px rgba(88, 28, 135, 0.35);
  backdrop-filter: blur(8px);
  padding: clamp(1.75rem, 1.5vw + 1.5rem, 2.6rem);
}

.class-card--hero {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(254, 242, 242, 0.96));
  border: 1px solid rgba(251, 207, 232, 0.5);
  box-shadow: 0 35px 70px -40px rgba(190, 24, 93, 0.35);
}

.class-card__header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.class-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  font-size: 1.45rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.16), rgba(236, 72, 153, 0.16));
  color: #6d28d9;
}

.class-card__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #111827;
}

.class-card__body {
  display: grid;
  gap: 1.75rem;
}

.class-card__body--split {
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

.class-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(148, 163, 184, 0.16);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: #475569;
}

.class-card--overview {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(199, 210, 254, 0.8);
  box-shadow: 0 40px 80px -50px rgba(99, 102, 241, 0.35);
}

.class-overview-grid {
  display: grid;
  gap: clamp(1.25rem, 2vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

.class-overview-card {
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(203, 213, 225, 0.5);
  border-radius: 22px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 100%;
}

.class-overview-card--grade {
  background: linear-gradient(160deg, rgba(236, 253, 245, 0.9), rgba(224, 242, 254, 0.9));
  border-color: rgba(45, 212, 191, 0.35);
}

.class-overview-card__heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #4c1d95;
}

.class-overview-list {
  display: grid;
  gap: 0.85rem;
  font-size: 0.85rem;
  color: #334155;
}

.class-overview-list > div {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.class-overview-list dt {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.68rem;
  color: #64748b;
}

.class-overview-list dd {
  font-size: 0.85rem;
  font-weight: 600;
  color: #111827;
  text-align: right;
}

.class-overview-list--compact {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.class-overview-card__note {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.55;
  padding: 0.75rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(203, 213, 225, 0.4);
}

.class-overview-grade {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.class-overview-grade__letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  font-size: 2.5rem;
  font-weight: 800;
}

.class-overview-grade__details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: #475569;
}

.class-overview-grade__percentage {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.1;
}

.class-overview-card__actions {
  display: grid;
  gap: 0.75rem;
}

.class-overview-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(203, 213, 225, 0.5);
  background: rgba(255, 255, 255, 0.75);
  color: #334155;
  transition: all 0.2s ease;
}

.class-overview-button:hover {
  border-color: rgba(79, 70, 229, 0.35);
  background: rgba(238, 242, 255, 0.85);
  color: #312e81;
}

.class-overview-button--primary {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.95), rgba(59, 130, 246, 0.95));
  color: white;
  border: none;
  box-shadow: 0 12px 25px -12px rgba(16, 185, 129, 0.6);
}

.class-overview-button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px -15px rgba(14, 165, 233, 0.6);
}

.class-overview-breakdown {
  margin-top: 1rem;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.class-overview-breakdown div {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  padding: 0.65rem;
  border: 1px solid rgba(165, 243, 252, 0.35);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: #0f172a;
}

.class-overview-breakdown span {
  font-weight: 600;
  color: #0369a1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.68rem;
}

.class-overview-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: #2563eb;
  text-decoration: none;
}

.class-overview-link:hover {
  color: #1d4ed8;
}