/* ============================================================
   BCA STORE RESOURCES HUB — PREMIUM DESIGN SYSTEM (resources.css)
   ============================================================ */

.resources-page {
  padding-top: 100px;
  min-height: 100vh;
  background-color: var(--comm-bg);
  font-family: var(--comm-font-family);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: background-color 0.4s ease;
}

/* Aurora Backdrop Shapes */
.aurora-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  mix-blend-mode: plus-lighter;
  animation: aurora-float 15s infinite alternate ease-in-out;
}

[data-theme="dark"] .aurora-orb {
  opacity: 0.25;
}

.aurora-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--comm-primary);
  top: -100px;
  left: -100px;
}

.aurora-orb-2 {
  width: 500px;
  height: 500px;
  background: var(--comm-accent);
  bottom: -200px;
  right: -100px;
  animation-delay: -5s;
}

.aurora-orb-3 {
  width: 350px;
  height: 350px;
  background: #06b6d4;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes aurora-float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(30px) scale(1.15); }
}

/* Header styling */
.resources-hero {
  text-align: center;
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
  max-width: 600px;
  padding: 0 20px;
  animation: commSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.resources-hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  font-weight: 850;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--comm-primary), var(--comm-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.resources-hero p {
  color: var(--comm-text-muted);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.6;
}

/* 2x2 Grid Layout */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  width: 100%;
  max-width: 900px;
  padding: 0 24px 60px;
  position: relative;
  z-index: 1;
  animation: commSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

@media (min-width: 1024px) {
  .resources-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 1200px;
  }
}

/* Theme Colors and Specific Variable Configurations */
.resource-card.theme-doubts {
  --card-accent-h: 195;
  --card-accent-s: 100%;
  --card-accent-l: 45%; /* Cyan */
  --card-glow-color: rgba(6, 182, 212, 0.18);
}
.resource-card.theme-chat {
  --card-accent-h: 142;
  --card-accent-s: 76%;
  --card-accent-l: 45%; /* Emerald */
  --card-glow-color: rgba(16, 185, 129, 0.18);
}
.resource-card.theme-announcements {
  --card-accent-h: 24;
  --card-accent-s: 95%;
  --card-accent-l: 50%; /* Orange */
  --card-glow-color: rgba(249, 115, 22, 0.18);
}
.resource-card.theme-voting {
  --card-accent-h: 262;
  --card-accent-s: 83%;
  --card-accent-l: 58%; /* Purple */
  --card-glow-color: rgba(139, 92, 246, 0.18);
}
.resource-card.theme-subjects {
  --card-accent-h: 217;
  --card-accent-s: 91%;
  --card-accent-l: 60%; /* Blue */
  --card-glow-color: rgba(59, 130, 246, 0.18);
}
.resource-card.theme-exams {
  --card-accent-h: 335;
  --card-accent-s: 85%;
  --card-accent-l: 55%; /* Rose/Pink */
  --card-glow-color: rgba(244, 63, 94, 0.18);
}
.resource-card.theme-tests {
  --card-accent-h: 40;
  --card-accent-s: 92%;
  --card-accent-l: 50%; /* Amber */
  --card-glow-color: rgba(217, 119, 6, 0.18);
}

/* Premium Liquid Glass Cards */
.resource-card {
  --card-theme-color: HSL(var(--card-accent-h), var(--card-accent-s), var(--card-accent-l));
  background: var(--comm-glass-bg);
  border: 1px solid var(--comm-glass-border);
  border-radius: 24px;
  padding: 38px 30px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--comm-shadow-md);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.resource-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 100%);
  z-index: 0;
  transition: opacity 0.5s ease;
}

/* Custom Gradient Borders via Masks */
.resource-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
  transition: background 0.4s ease;
}

.resource-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06), 0 0 35px var(--card-glow-color);
}

[data-theme="dark"] .resource-card:hover {
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.25), 0 0 40px var(--card-glow-color);
}

.resource-card:hover::after {
  background: linear-gradient(135deg, var(--card-theme-color) 0%, rgba(255, 255, 255, 0.05) 50%, var(--card-theme-color) 100%);
}

/* Animated Shine Effect */
.card-shine {
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0) 100%);
  transform: skewX(-25deg);
  transition: 0.75s;
  pointer-events: none;
  z-index: 2;
}

.resource-card:hover .card-shine {
  left: 150%;
  transition: 0.85s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Card Content styling */
.card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.card-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.1rem;
  margin-bottom: 24px;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.resource-card:hover .card-icon-wrap {
  transform: scale(1.08) rotate(2deg);
  background: var(--card-theme-color);
  color: #fff;
  border-color: transparent;
  filter: drop-shadow(0 4px 15px var(--card-glow-color));
}

.card-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--comm-text-main);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--comm-text-muted);
  line-height: 1.55;
}

/* ============================================================
   PREMIUM POPUP SYSTEM (MODAL STYLES)
   ============================================================ */
.custom-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(11, 15, 25, 0.4);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.custom-modal-card {
  background: var(--comm-glass-bg);
  border: 1px solid var(--comm-glass-border);
  border-radius: 28px;
  padding: 44px 38px;
  max-width: 440px;
  width: 90%;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  text-align: center;
  position: relative;
  overflow: hidden;
  transform: scale(0.85) translateY(10px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.custom-modal-overlay.active .custom-modal-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--comm-primary), var(--comm-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #fff;
  margin: 0 auto 24px;
  box-shadow: 0 10px 25px var(--comm-primary-glow);
  animation: float 4s ease-in-out infinite;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 850;
  color: var(--comm-text-main);
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--comm-text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

.modal-buttons {
  display: flex;
  gap: 12px;
}

.modal-btn {
  flex: 1;
  padding: 14px 20px;
  border-radius: 14px;
  font-size: 0.92rem;
  font-weight: 750;
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.modal-btn-cancel {
  background: var(--comm-bg);
  color: var(--comm-text-main);
  border: 1px solid var(--comm-border);
}

.modal-btn-cancel:hover {
  background: var(--comm-primary-light);
  border-color: var(--comm-primary);
  color: var(--comm-primary);
}

.modal-btn-continue {
  background: linear-gradient(135deg, var(--comm-primary), var(--comm-accent));
  color: #fff;
  box-shadow: 0 6px 20px var(--comm-primary-glow);
}

.modal-btn-continue:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px var(--comm-primary-glow);
}

/* Button Ripple effect */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-effect 0.5s ease-out;
  background: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

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

/* Focus outline for accessibility */
.resource-card:focus-visible,
.modal-btn:focus-visible {
  outline: 3px solid var(--comm-primary);
  outline-offset: 4px;
}

/* ============================================================
   RESPONSIVE DESIGN ADAPTATIONS
   ============================================================ */
@media (max-width: 768px) {
  .resources-page {
    padding-top: 80px;
  }
  .resources-hero {
    margin-bottom: 24px;
  }
  .resources-grid {
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 20px;
    padding: 0 20px 40px;
  }
  .resource-card {
    padding: 32px 24px;
  }
  .card-icon-wrap {
    width: 54px;
    height: 54px;
    font-size: 1.85rem;
    margin-bottom: 20px;
  }
  .custom-modal-card {
    padding: 36px 24px;
  }
  .modal-icon-wrap {
    width: 60px;
    height: 60px;
    font-size: 2rem;
    margin-bottom: 20px;
  }
}