/* ============================================
   Wisdom Education — Shared Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0a0a14;
  --color-text: #e8e4dc;
  --color-text-dim: #9a9586;
  --color-accent: #c9a96e;
  --color-overlay: rgba(10, 10, 20, 0.85);
  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Cormorant Garamond', 'Georgia', serif;
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition-smooth);
}

a:hover {
  opacity: 0.8;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.04em;
}

h1 { font-size: 2.4rem; font-weight: 300; }
h2 { font-size: 1.8rem; font-weight: 300; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p {
  line-height: 1.7;
  font-size: 1.05rem;
}

/* --- Page Transition Overlay --- */
#page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#page-transition-overlay.active {
  pointer-events: all;
  opacity: 1;
}

#page-transition-overlay canvas {
  width: 100%;
  height: 100%;
}

/* --- Navigation Bar --- */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  z-index: 100;
  background: linear-gradient(to bottom, rgba(10, 10, 20, 0.6), transparent);
}

.nav-bar .nav-left,
.nav-bar .nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-bar .nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(232, 228, 220, 0.15);
  border-radius: 2rem;
  background: rgba(10, 10, 20, 0.4);
  color: var(--color-text-dim);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  backdrop-filter: blur(8px);
}

.nav-btn:hover {
  border-color: rgba(232, 228, 220, 0.3);
  color: var(--color-text);
  background: rgba(10, 10, 20, 0.6);
}

.nav-btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Progress Indicator --- */
.progress-indicator {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.progress-indicator .count {
  color: var(--color-accent);
  font-weight: 500;
}

/* --- Modal Overlay --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-overlay);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

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

.modal-content {
  position: relative;
  width: 90%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  background: rgba(20, 20, 35, 0.95);
  border: 1px solid rgba(232, 228, 220, 0.1);
  border-radius: 1rem;
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(232, 228, 220, 0.15);
  border-radius: 50%;
  background: transparent;
  color: var(--color-text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
}

.modal-close:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.modal-set-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
}

.modal-title {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 0.3rem;
}

.modal-date {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  font-style: italic;
  margin-bottom: 2rem;
}

/* --- Media Controls --- */
.media-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.media-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(232, 228, 220, 0.12);
  border-radius: 0.6rem;
  background: rgba(232, 228, 220, 0.03);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.media-btn:hover {
  border-color: var(--color-accent);
  background: rgba(201, 169, 110, 0.08);
}

.media-btn svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.media-player-container {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(232, 228, 220, 0.08);
  border-radius: 0.6rem;
  background: rgba(0, 0, 0, 0.2);
  display: none;
}

.media-player-container.active {
  display: block;
}

.media-player-container audio,
.media-player-container video {
  width: 100%;
  border-radius: 0.4rem;
}

.media-player-container audio {
  height: 48px;
}

/* Custom audio/video styling */
audio::-webkit-media-controls-panel,
video::-webkit-media-controls-panel {
  background: rgba(30, 30, 50, 0.9);
}

.transcript-container {
  margin-top: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(232, 228, 220, 0.08);
  border-radius: 0.6rem;
  background: rgba(0, 0, 0, 0.2);
  max-height: 300px;
  overflow-y: auto;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-dim);
  display: none;
}

.transcript-container.active {
  display: block;
}

/* Scrollbar styling */
.transcript-container::-webkit-scrollbar,
.modal-content::-webkit-scrollbar {
  width: 6px;
}

.transcript-container::-webkit-scrollbar-track,
.modal-content::-webkit-scrollbar-track {
  background: transparent;
}

.transcript-container::-webkit-scrollbar-thumb,
.modal-content::-webkit-scrollbar-thumb {
  background: rgba(232, 228, 220, 0.15);
  border-radius: 3px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }

  .nav-bar {
    padding: 0.8rem 1rem;
  }

  .modal-content {
    padding: 1.5rem;
    width: 95%;
  }

  .modal-title {
    font-size: 1.4rem;
  }
}