/* ============ SHARED DESIGN TOKENS ============ */
:root {
  --ink: #0a0a0f;
  --paper: #f5f0e8;
  --accent: #e63946;
  --glow: #ff6b7a;
  --muted: #6b6578;
  --soft: #d4c5b0;
  --surface: rgba(245, 240, 232, 0.04);
  --border: rgba(212, 197, 176, 0.08);
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

.grain {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
}

/* ============ NAV BAR ============ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--paper);
  text-decoration: none;
}

.nav-back {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-back:hover { color: var(--paper); }

/* ============ CREATE PAGE ============ */
.create-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 120px;
}

.create-header {
  margin-bottom: 48px;
}

.create-header h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin-bottom: 12px;
}

.create-header h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.create-header p {
  color: var(--muted);
  font-size: 1.05rem;
}

/* Textarea */
.manuscript-input {
  width: 100%;
  min-height: 240px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--paper);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  resize: vertical;
  transition: border-color 0.2s;
}
.manuscript-input:focus {
  outline: none;
  border-color: var(--accent);
}
.manuscript-input::placeholder {
  color: var(--muted);
  opacity: 0.6;
}

.input-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

.char-count {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Samples */
.samples {
  margin-top: 32px;
  margin-bottom: 32px;
}

.samples-label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.sample-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sample-chip {
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--soft);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.sample-chip:hover {
  border-color: var(--accent);
  color: var(--paper);
  background: rgba(230, 57, 70, 0.08);
}

/* Generate button */
.generate-btn {
  display: block;
  width: 100%;
  padding: 18px 32px;
  background: linear-gradient(135deg, var(--accent), var(--glow));
  border: none;
  border-radius: 12px;
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.generate-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(230, 57, 70, 0.3);
}
.generate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Progress */
.progress-container {
  margin-top: 40px;
  display: none;
}

.progress-container.visible {
  display: block;
}

.progress-bar-track {
  width: 100%;
  height: 4px;
  background: var(--surface);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--glow));
  border-radius: 2px;
  transition: width 0.6s ease;
  width: 0%;
}

.progress-message {
  font-size: 0.95rem;
  color: var(--soft);
  text-align: center;
}

.progress-step-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.progress-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error */
.error-message {
  margin-top: 16px;
  padding: 16px;
  background: rgba(230, 57, 70, 0.1);
  border: 1px solid rgba(230, 57, 70, 0.3);
  border-radius: 8px;
  color: var(--glow);
  font-size: 0.9rem;
  display: none;
}
.error-message.visible { display: block; }

/* ============ SCENE PLAYER ============ */
.player-container {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #000;
  position: relative;
  overflow: hidden;
}

.cinema-frame {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  user-select: none;
}

.scene-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 1s ease;
  animation: kenburns 20s ease infinite alternate;
}

@keyframes kenburns {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.05) translate(-1%, -0.5%); }
}

.scene-image.fading { opacity: 0; }

/* Dark overlay gradient at bottom for readability */
.scene-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  pointer-events: none;
}

/* Dialogue box */
.dialogue-box {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 40px 36px;
  z-index: 10;
}

.dialogue-character {
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.4s ease;
}
.dialogue-character.visible {
  opacity: 1;
  transform: translateY(0);
}

.dialogue-text {
  font-size: 1.2rem;
  line-height: 1.7;
  color: #fff;
  max-width: 700px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  min-height: 2.4em;
}

.dialogue-text.narration {
  font-style: italic;
  color: var(--soft);
  font-size: 1.05rem;
}

/* Advance indicator */
.advance-indicator {
  position: absolute;
  bottom: 16px;
  right: 40px;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.5s;
  animation: pulse-opacity 2s ease infinite;
}
.advance-indicator.visible { opacity: 1; }

@keyframes pulse-opacity {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* Title overlay */
.scene-title-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  z-index: 20;
  opacity: 1;
  transition: opacity 1s ease;
}
.scene-title-overlay.hidden { opacity: 0; pointer-events: none; }

.scene-title-text {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--paper);
  text-align: center;
  margin-bottom: 16px;
}

.scene-title-sub {
  font-size: 1rem;
  color: var(--muted);
}

/* End screen */
.scene-end-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}
.scene-end-overlay.visible { opacity: 1; pointer-events: all; }

.scene-end-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--paper);
  margin-bottom: 24px;
}

.scene-end-actions {
  display: flex;
  gap: 16px;
}

.scene-end-btn {
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.scene-end-btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--glow));
  border: none;
  color: #fff;
}
.scene-end-btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
}

.scene-end-btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--soft);
}
.scene-end-btn.secondary:hover {
  border-color: var(--soft);
  color: var(--paper);
}

/* Player loading */
.player-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  z-index: 30;
}

.player-loading .progress-spinner {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.player-loading p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .create-container { padding: 40px 20px 80px; }
  .dialogue-box { padding: 20px 20px 28px; }
  .dialogue-text { font-size: 1rem; }
  .advance-indicator { right: 20px; }
}

@media (max-width: 480px) {
  .manuscript-input { min-height: 180px; padding: 16px; }
  .dialogue-text { font-size: 0.95rem; }
}