/* ============================================
   CocoroQuest Photorealistic Visual Novel
   Premium CSS — Glassmorphism + Cinematic
   ============================================ */

:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #4c1d95;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --text: #f1f5f9;
  --text-dim: #94a3b8;
  --bg-dark: #0f0a1a;
  --glass: rgba(15, 10, 26, 0.65);
  --glass-border: rgba(124, 58, 237, 0.3);
  --glass-hover: rgba(124, 58, 237, 0.15);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Noto Sans JP', sans-serif;
  --font-title: 'Cinzel', 'Noto Serif JP', serif;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  font-family: var(--font-main);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
}

/* === PRELOADER === */
#preloader {
  position: fixed; inset: 0;
  background: var(--bg-dark);
  display: flex; align-items: center; justify-content: center;
  z-index: 10000;
  transition: opacity 0.8s ease;
}
#preloader.fade-out { opacity: 0; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-logo {
  font-family: var(--font-title);
  font-size: 3rem; font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2rem;
}
.preloader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px; overflow: hidden;
  margin: 0 auto 1rem;
}
.preloader-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transition: width 0.3s;
}
.preloader-text {
  color: var(--text-dim); font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* === GAME CONTAINER === */
#game-container {
  position: relative;
  width: 100vw; height: 100vh;
  overflow: hidden;
  background: var(--bg-dark);
}

/* === BACKGROUNDS === */
#bg-layer {
  position: absolute; inset: 0; z-index: 1;
}
.bg-img {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity 1.5s ease;
}
#bg-current { opacity: 1; z-index: 1; }
#bg-next { opacity: 0; z-index: 2; }
.bg-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.1) 0%,
    rgba(0,0,0,0) 30%,
    rgba(0,0,0,0) 60%,
    rgba(0,0,0,0.4) 100%
  );
}

/* === PARTICLES === */
#particles {
  position: absolute; inset: 0;
  z-index: 2;
  pointer-events: none;
}

/* === CHARACTERS === */
#character-layer {
  position: absolute; inset: 0;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
}
.character-slot {
  position: absolute;
  bottom: 10%;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(20px);
}
.character-slot.visible {
  opacity: 1;
  transform: translateY(0);
}
.character-slot.speaking {
  filter: brightness(1.1);
  z-index: 2;
}
.character-slot:not(.speaking) {
  filter: brightness(0.7);
}
#char-left {
  left: 8%;
}
#char-right {
  right: 8%;
}
.character-img {
  height: 55vh;
  max-height: 500px;
  width: auto;
  object-fit: contain;
  border-radius: 12px;
  filter: drop-shadow(0 0 30px rgba(0,0,0,0.5));
  animation: breathing 4s ease-in-out infinite;
}
@keyframes breathing {
  0%, 100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.005) translateY(-3px); }
}

/* === CINEMATIC BARS === */
.cinematic-bar {
  position: absolute;
  left: 0; right: 0;
  height: 0;
  background: #000;
  z-index: 4;
  transition: height 1s ease;
}
#cinematic-top { top: 0; }
#cinematic-bottom { bottom: 0; }
.cinematic-active .cinematic-bar { height: 60px; }

/* === SCREENS === */
.screen {
  position: absolute; inset: 0;
  z-index: 50;
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.screen.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
}

/* === OPENING SCREEN === */
#opening-screen {
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
  z-index: 55;
  cursor: pointer;
}
.opening-content {
  text-align: center;
  max-width: 700px;
  padding: 2rem;
}
.opening-line {
  font-family: var(--font-title);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text);
  line-height: 2.2;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 1.2s ease, transform 1.2s ease;
  letter-spacing: 0.05em;
}
.opening-line.visible {
  opacity: 1;
  transform: translateY(0);
}
.opening-line.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}
.opening-skip {
  position: absolute;
  bottom: 3rem;
  right: 3rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fadeIn 2s ease 1s forwards;
}
@keyframes fadeIn {
  to { opacity: 0.6; }
}

/* === TITLE SCREEN === */
#title-screen {
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(15,10,26,0.8), rgba(76,29,149,0.4));
}
.title-content {
  text-align: center;
  animation: fadeInUp 1.5s ease;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.title-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 0.5rem;
  opacity: 0.8;
}
.title-main {
  font-family: var(--font-title);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--primary-light) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  text-shadow: none;
}
.title-tagline {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  color: var(--text-dim);
  margin-bottom: 3rem;
  letter-spacing: 0.15em;
}
.title-menu {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  align-items: center;
}
.title-btn {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 0.9rem 3rem;
  min-width: 250px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.1em;
}
.title-btn:hover {
  background: var(--glass-hover);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}
.title-lang {
  display: flex; gap: 0.5rem;
  justify-content: center;
  margin-top: 3rem;
}
.lang-btn {
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}
.lang-btn:hover, .lang-btn.active {
  color: var(--text);
  border-color: var(--primary-light);
  background: rgba(124, 58, 237, 0.2);
}
.title-footer {
  position: absolute;
  bottom: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0.5;
}

/* === EPISODE SELECT === */
#episode-screen {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.episode-header, .settings-header, .saveload-header, .backlog-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--glass-border);
}
.episode-header h2, .settings-header h2, .saveload-header h2, .backlog-header h2 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.1em;
}
.back-btn {
  font-size: 1.5rem;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  transition: var(--transition);
}
.back-btn:hover { background: var(--glass-hover); }
.episode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
  overflow-y: auto;
  flex: 1;
}
.episode-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.8rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.episode-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.05), rgba(245,158,11,0.05));
  opacity: 0;
  transition: opacity 0.3s;
}
.episode-card:hover::before { opacity: 1; }
.episode-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.2);
}
.episode-card.locked {
  opacity: 0.4;
  cursor: not-allowed;
}
.ep-number {
  font-family: var(--font-title);
  font-size: 0.8rem;
  color: var(--primary-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.ep-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.ep-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* === SETTINGS === */
#settings-screen {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.settings-content {
  padding: 2rem;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
}
.setting-group {
  margin-bottom: 2rem;
}
.setting-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
}
.settings-lang {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--primary-light);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(124,58,237,0.5);
}

/* === SAVE/LOAD === */
#saveload-screen {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.saveload-tabs {
  display: flex; gap: 0.5rem;
  margin-left: auto;
}
.tab-btn {
  font-family: var(--font-main);
  font-size: 0.85rem;
  color: var(--text-dim);
  background: none;
  border: 1px solid transparent;
  padding: 0.4rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}
.tab-btn.active {
  color: var(--text);
  border-color: var(--primary-light);
  background: rgba(124,58,237,0.15);
}
.save-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}
.save-slot {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}
.save-slot:hover {
  border-color: var(--primary-light);
  background: var(--glass-hover);
}
.save-slot.empty { opacity: 0.5; }
.slot-number {
  font-size: 0.75rem;
  color: var(--primary-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.slot-info {
  font-size: 0.85rem;
  color: var(--text);
}
.slot-date {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

/* === BACKLOG === */
#backlog-screen {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.backlog-content {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}
.backlog-entry {
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.backlog-name {
  font-size: 0.8rem;
  color: var(--primary-light);
  margin-bottom: 0.3rem;
}
.backlog-text {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
}

/* === DIALOGUE === */
#dialogue-layer {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  z-index: 10;
  padding: 1rem 2rem 1.5rem;
}
#name-tag {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.3rem 1.2rem;
  border-radius: 6px 6px 0 0;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-bottom: none;
  margin-bottom: -1px;
  margin-left: 1.5rem;
  position: relative;
  z-index: 2;
}
#name-tag.aria { color: var(--primary-light); }
#name-tag.sunchan { color: var(--accent); }
#name-tag.narrator { display: none; }
#textbox {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  min-height: 120px;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}
#textbox:hover {
  border-color: rgba(124, 58, 237, 0.4);
}
#text-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  min-height: 3.6em;
}
#text-indicator {
  position: absolute;
  bottom: 0.8rem;
  right: 1.2rem;
  font-size: 0.8rem;
  color: var(--primary-light);
  animation: bounce 1s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.3s;
}
#text-indicator.visible { opacity: 1; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* === QUICK MENU === */
#quick-menu {
  display: flex;
  justify-content: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
}
.qm-btn {
  font-size: 0.85rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  border: 1px solid transparent;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}
.qm-btn:hover {
  color: var(--text);
  background: var(--glass-hover);
  border-color: var(--glass-border);
}
.qm-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* === CHOICES === */
#choice-layer {
  position: absolute; inset: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
}
#choice-container {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 500px;
  width: 90%;
  animation: fadeInUp 0.5s ease;
}
.choice-btn {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  line-height: 1.5;
}
.choice-btn:hover {
  background: rgba(124, 58, 237, 0.2);
  border-color: var(--primary-light);
  transform: translateX(5px);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

/* === TRANSITION === */
#transition-overlay {
  position: absolute; inset: 0;
  z-index: 40;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}
#transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* === NOTIFICATION === */
#notification {
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  z-index: 100;
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-size: 0.85rem;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
#notification.visible {
  transform: translateX(-50%) translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .title-main { font-size: 2.5rem; }
  .title-btn { min-width: 200px; padding: 0.8rem 2rem; font-size: 0.9rem; }
  .character-img { height: 60vh; }
  #dialogue-layer { padding: 0.5rem 1rem 1rem; }
  #textbox { padding: 1rem 1.2rem; min-height: 100px; }
  #text-content { font-size: 0.9rem; }
  .episode-grid { grid-template-columns: 1fr; padding: 1rem; }
  .save-slots { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .title-main { font-size: 2rem; }
  .title-tagline { font-size: 0.8rem; }
  .title-btn { min-width: 180px; }
  .character-img { height: 50vh; }
  #quick-menu { gap: 0.2rem; }
  .qm-btn { padding: 0.3rem 0.5rem; font-size: 0.75rem; }
}