/* ===== Design System: Neo-Stream ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Backgrounds */
  --bg-deep: #06060f;
  --bg-base: #0c0c1d;
  --bg-surface: rgba(255, 255, 255, 0.03);
  --bg-surface-hover: rgba(255, 255, 255, 0.06);
  --bg-elevated: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(12, 12, 30, 0.6);
  --bg-input: rgba(255, 255, 255, 0.04);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(0, 212, 255, 0.3);

  /* Text */
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #5a5a72;

  /* Accents */
  --accent: #00d4ff;
  --accent-hover: #00b8e0;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-warm: #ff6b9d;
  --accent-warm-glow: rgba(255, 107, 157, 0.15);

  /* Semantic */
  --live-red: #ff3b30;
  --success: #00e6a0;
  --warning: #ffb800;
  --danger: #ff4757;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'M PLUS 2', 'Outfit', sans-serif;

  /* Blur */
  --blur-glass: blur(24px);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
}

html, body {
  height: 100%;
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient background glow */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 20%, rgba(255, 107, 157, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(80, 80, 200, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===== Screen Management ===== */
.screen {
  display: none;
  width: 100%;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.screen.active {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-y: auto;
  padding-bottom: env(safe-area-inset-bottom);
  animation: screen-in 0.4s ease-out;
}

@keyframes screen-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .screen.active {
    align-items: flex-start;
  }
}

/* ===== Glass Panel Mixin (via shared properties) ===== */

/* ===== Login Screen ===== */
.login-container {
  max-width: 400px;
  width: 100%;
  padding: 48px 28px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.login-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 0 auto 20px;
  width: 100%;
  max-width: 320px;
}

.btn-x,
.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.btn-x {
  background: #fff;
  color: #000;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-x:hover {
  background: #e8e8e8;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

.btn-x:active { transform: scale(0.97); }
.btn-x svg { flex-shrink: 0; }

.btn-google {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
}

.btn-google:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.btn-google:active { transform: scale(0.97); }
.btn-google svg { flex-shrink: 0; }

.login-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Login Background Chat Animation */
.login-chat-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
}

.login-chat-col {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: login-chat-up 30s linear infinite;
  font-size: 0.8rem;
  white-space: nowrap;
}

.login-chat-col:nth-child(1) { left: 5%;  animation-duration: 28s; }
.login-chat-col:nth-child(2) { left: 22%; animation-duration: 35s; animation-delay: -8s; }
.login-chat-col:nth-child(3) { left: 42%; animation-duration: 32s; animation-delay: -15s; }
.login-chat-col:nth-child(4) { left: 65%; animation-duration: 26s; animation-delay: -5s; }
.login-chat-col:nth-child(5) { left: 85%; animation-duration: 38s; animation-delay: -20s; }

@keyframes login-chat-up {
  0% { transform: translateY(100vh); }
  100% { transform: translateY(-300%); }
}

.login-chat-m {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
}

/* Floating Chips */
.login-chips {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.login-chip {
  position: absolute;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.15);
  white-space: nowrap;
  animation: chip-float 8s ease-in-out infinite;
}

.chip-1 { top: 15%; left: 8%;  animation-delay: 0s;   animation-duration: 7s; }
.chip-2 { top: 25%; right: 10%; animation-delay: -2s;  animation-duration: 9s; }
.chip-3 { top: 65%; left: 5%;  animation-delay: -4s;  animation-duration: 8s; }
.chip-4 { top: 75%; right: 8%; animation-delay: -1s;  animation-duration: 10s; }
.chip-5 { top: 40%; left: 12%; animation-delay: -5s;  animation-duration: 7.5s; }
.chip-6 { top: 50%; right: 15%; animation-delay: -3s; animation-duration: 8.5s; }

@keyframes chip-float {
  0%, 100% { transform: translateY(0) rotate(-1deg); opacity: 0.6; }
  50% { transform: translateY(-12px) rotate(1deg); opacity: 1; }
}

/* Site Footer */
.site-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-sep {
  margin: 0 8px;
  opacity: 0.3;
}

/* ===== Password Screen ===== */
/* ===== Game Title ===== */
.game-title {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

/* ===== User Bar ===== */
.user-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 24px;
}

.user-name {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.btn-logout {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-logout:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ===== My Page Button ===== */
.btn-mypage {
  padding: 6px 14px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.75rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
}

.btn-mypage:hover {
  background: rgba(0, 212, 255, 0.12);
  box-shadow: 0 0 16px var(--accent-glow);
}

.btn-mypage-link {
  margin-top: 16px;
  padding: 10px 24px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
}

.btn-mypage-link:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* ===== Compact Status Bar ===== */
.status-compact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.status-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.level-title-compact {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.status-right {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.credits-compact strong {
  color: var(--text-primary);
  font-family: var(--font-display);
}

/* ===== Setup Row (side by side) ===== */
.setup-row {
  display: flex;
  gap: 16px;
  margin-bottom: 0;
}

.setup-half {
  flex: 1;
  min-width: 0;
}

/* ===== Settings Collapse ===== */
.settings-collapse {
  margin-top: 8px;
  margin-bottom: 16px;
}

.settings-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
  list-style: none;
  text-align: center;
}

.settings-toggle::-webkit-details-marker {
  display: none;
}

.settings-toggle:hover {
  border-color: var(--border-medium);
  color: var(--text-secondary);
}

.settings-collapse[open] .settings-toggle {
  border-color: var(--border-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin-bottom: 0;
}

.settings-body {
  padding: 16px;
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  animation: settings-open 0.2s ease-out;
}

@keyframes settings-open {
  0% { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* BGM Genre Selector */
.bgm-genre-selector {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bgm-genre-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
  text-align: left;
}

.bgm-genre-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.bgm-genre-btn.selected {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  color: var(--text-primary);
  box-shadow: 0 0 12px var(--accent-glow);
}

.bgm-genre-btn.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.bgm-genre-btn.locked:hover {
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.bgm-genre-level {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* ===== Start Screen ===== */
.start-container {
  max-width: 480px;
  width: 100%;
  padding: 60px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.btn-enter {
  display: inline-block;
  margin-top: 48px;
  padding: 20px 72px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 6px;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 0 0 rgba(0, 212, 255, 0);
  animation: enter-glow 3s ease-in-out infinite;
}

.btn-enter:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.35);
}

.btn-enter:active {
  transform: scale(0.97);
}

@keyframes enter-glow {
  0%, 100% { box-shadow: 0 0 0px rgba(0, 212, 255, 0), 0 0 0px rgba(0, 212, 255, 0); }
  50% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.2), 0 4px 20px rgba(0, 212, 255, 0.15); }
}

.start-user-name {
  margin-top: 28px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===== Title Screen ===== */
.title-container {
  max-width: 560px;
  width: 100%;
  padding: 40px 24px;
  text-align: center;
}

.title-wide {
  max-width: 1080px;
  text-align: left;
  align-self: flex-start;
  padding-top: 40px;
}

/* Title Hero */
.title-hero {
  margin-bottom: 20px;
}

.title-hero-heading {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.title-hero-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.btn-guide-inline {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
}

.btn-guide-inline:hover {
  text-decoration: underline;
}

/* Setup Card */
.setup-card {
  padding: 20px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}

.setup-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.setup-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.setup-card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

/* Start Button Area (centered below columns) */
.title-start-area {
  text-align: center;
  margin-top: 8px;
  padding-top: 20px;
}

/* App Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.app-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-header-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-header-icon:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

.btn-logout-icon {
  font-size: 0.85rem;
}

.btn-logout-icon:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.app-header-right .user-name {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 4px;
}

/* Title Body - 2 Column */
.title-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .title-body {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
  }
}

.title-col-main {
  display: flex;
  flex-direction: column;
}

.title-col-side {
  display: flex;
  flex-direction: column;
}

.btn-start-large {
  margin-top: auto;
  padding: 16px 32px;
  font-size: 1.1rem;
}

/* Settings Panel (Slide from right) */
.settings-panel {
  position: fixed;
  top: 0;
  right: -360px;
  width: 340px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg-base);
  border-left: 1px solid var(--border-subtle);
  z-index: 1100;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.settings-panel.open {
  right: 0;
}

.settings-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.settings-panel-header h3 {
  font-size: 1rem;
  color: var(--text-primary);
}

.btn-settings-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-settings-close:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.settings-panel-body {
  padding: 20px;
}

.settings-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1099;
}

.settings-overlay.open {
  display: block;
}

.setup-section {
  margin-bottom: 24px;
  text-align: left;
}

.setup-section label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

/* Volume Controls */
.volume-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.volume-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.volume-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  width: 60px;
  flex-shrink: 0;
}

.volume-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 8px var(--accent-glow);
}

.volume-slider::-webkit-slider-thumb:hover {
  background: var(--accent-hover);
  transform: scale(1.2);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.4);
}

.volume-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

.volume-slider::-moz-range-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}

.volume-value {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* STT Selector */
.stt-selector {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.stt-btn {
  flex: 1;
  padding: 10px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
}

.stt-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.stt-btn.selected {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  color: var(--text-primary);
  box-shadow: 0 0 12px var(--accent-glow);
}

#stt-key-section { margin-top: 8px; }
#stt-key-section label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
#stt-key-section input { width: 100%; margin-bottom: 4px; }

.hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 6px; }
.hint a { color: var(--accent); text-decoration: none; }
.hint a:hover { text-decoration: underline; }

/* Setup Section Header (label + shuffle button) */
.setup-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.setup-section-header label {
  margin-bottom: 0;
}

.btn-refresh {
  padding: 4px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.25s;
}
.btn-refresh:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Topic Selection */
.topic-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.topic-btn {
  padding: 16px 20px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: all 0.25s;
}

.topic-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background: var(--bg-surface-hover);
  transform: translateX(4px);
}

.topic-btn.selected {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.06);
  color: var(--text-primary);
  box-shadow: inset 3px 0 0 var(--accent), 0 0 16px var(--accent-glow);
}

/* Duration Selector */
.duration-selector {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.duration-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
}

.duration-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

.duration-btn.selected {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  color: var(--text-primary);
  box-shadow: 0 0 12px var(--accent-glow);
}

.duration-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 400;
}

.duration-btn.selected .duration-sub {
  color: var(--accent);
}

/* Viewer Mode Selector */
.viewer-mode-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.viewer-mode-btn {
  padding: 10px 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
}

.viewer-mode-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

.viewer-mode-btn.selected {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  color: var(--text-primary);
  box-shadow: 0 0 12px var(--accent-glow);
}

.viewer-mode-btn.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.viewer-mode-btn.locked:hover {
  border-color: var(--border-subtle);
  color: var(--text-secondary);
  background: var(--bg-glass);
}

/* Input Fields */
input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.api-key-row { display: flex; gap: 8px; }
.api-key-row input { flex: 1; }

.btn-icon {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0 12px;
  font-size: 1.1rem;
  transition: all 0.2s;
}
.btn-icon:hover { background: var(--bg-surface-hover); }

/* Primary Button */
.btn-primary {
  display: inline-block;
  margin-top: 20px;
  padding: 16px 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; right: 0; bottom: 0;
  width: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.3), 0 4px 16px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.error-msg {
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 12px;
  min-height: 1.2em;
}

/* ===== Progression Bar (Title Screen) ===== */
.progression-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}

.progression-item {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.progression-item strong {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 700;
}

/* Level Badge (shared) */
.level-badge {
  display: inline-block;
  padding: 2px 10px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
}

.level-title {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 600;
}

.xp-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #7c3aed);
  border-radius: 3px;
  transition: width 0.6s ease;
}

.xp-text {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Daily Missions */
.daily-missions {
  margin-bottom: 20px;
  padding: 14px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.missions-header {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.missions-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mission-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.mission-item.completed {
  color: var(--text-muted);
  text-decoration: line-through;
  opacity: 0.6;
}

.mission-check {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-medium);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.mission-item.completed .mission-check {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* MyPage Level Card */
.mypage-level-card {
  padding: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  text-align: center;
}

.mypage-level-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 10px;
}

/* Achievement Grid */
.mypage-achievements {
  margin-bottom: 20px;
}

.mypage-achievements h3 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.mypage-achievements h3 span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.achievement-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all 0.25s;
}

.achievement-item.locked {
  opacity: 0.35;
  filter: grayscale(1);
}

.achievement-item.unlocked {
  border-color: rgba(255, 215, 0, 0.3);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.1);
}

.achievement-emoji {
  font-size: 1.5rem;
}

.achievement-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.achievement-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* ===== Stream Screen ===== */
.stream-layout {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 12px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  gap: 10px;
  transition: background 0.5s;
}

/* Stream Header */
.stream-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.live-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--live-red);
  animation: pulse-live 1.5s ease-in-out infinite;
  text-shadow: 0 0 10px rgba(255, 59, 48, 0.5);
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.stream-timer {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.stream-timer.warning {
  color: var(--warning);
  text-shadow: 0 0 12px rgba(255, 184, 0, 0.4);
}

.stream-timer.danger {
  color: var(--danger);
  text-shadow: 0 0 12px rgba(255, 71, 87, 0.5);
  animation: pulse-live 0.8s ease-in-out infinite;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.viewer-count {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.btn-end-mobile {
  display: none;
}

/* Stream Main Area */
.stream-main {
  display: flex;
  gap: 12px;
  flex: 1;
  min-height: 0;
}

.streamer-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.camera-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* ===== Stream Avatar Stage ===== */
.avatar-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: relative;
}

/* --- PNG Tuber --- */
.avatar-png {
  max-width: 80%;
  max-height: 75%;
  object-fit: contain;
  z-index: 1;
  animation: avatar-idle 4s ease-in-out infinite;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.4));
  transition: transform 0.15s ease;
}

@keyframes avatar-idle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Talking state */
.avatar-stage.talking .avatar-png {
  animation: avatar-talk 0.25s ease-in-out infinite alternate;
}

@keyframes avatar-talk {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-6px) scale(1.03); }
}

/* Zone effects on PNG avatar */
.stream-layout[data-zone="hot"] .avatar-png {
  filter: drop-shadow(0 4px 16px rgba(255, 71, 87, 0.2));
}

.stream-layout[data-zone="fire"] .avatar-png {
  filter: drop-shadow(0 4px 24px rgba(255, 59, 48, 0.35));
}

.stream-layout[data-zone="fire"] .avatar-stage.talking .avatar-png {
  animation: avatar-talk-fire 0.2s ease-in-out infinite alternate;
}

@keyframes avatar-talk-fire {
  0% { transform: translateY(0) scale(1) rotate(-1deg); }
  100% { transform: translateY(-8px) scale(1.05) rotate(1deg); }
}

/* Default state wrapper */
.avatar-default {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: relative;
}

/* --- Avatar Locked State --- */
.avatar-locked {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  opacity: 0.7;
}

.avatar-locked-icon {
  font-size: 1.5rem;
}

.avatar-locked-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.avatar-locked-text strong {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.avatar-locked-text span {
  font-size: 0.75rem;
  color: var(--accent);
}

/* --- Avatar Upload UI (Title Screen) --- */
.avatar-upload-area {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.avatar-preview-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.avatar-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-preview-empty {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.avatar-upload-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btn-upload {
  display: inline-block;
  padding: 7px 16px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.78rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
}

.btn-upload:hover {
  background: rgba(0, 212, 255, 0.15);
  box-shadow: 0 0 12px var(--accent-glow);
}

.btn-avatar-clear {
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-avatar-clear:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* Outer rotating ring */
.avatar-ring-outer {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  opacity: 0.3;
  animation: ring-spin 8s linear infinite;
}

/* Inner counter-rotating ring */
.avatar-ring-inner {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-bottom-color: var(--accent-warm);
  border-left-color: var(--accent-warm);
  opacity: 0.25;
  animation: ring-spin 6s linear infinite reverse;
}

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

/* Center icon */
.avatar-icon {
  font-size: 3.5rem;
  z-index: 1;
  animation: avatar-float 4s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.2));
}

@keyframes avatar-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ON AIR label */
.avatar-label {
  margin-top: 12px;
  padding: 4px 16px;
  background: rgba(255, 59, 48, 0.15);
  border: 1px solid rgba(255, 59, 48, 0.3);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--live-red);
  letter-spacing: 0.15em;
  z-index: 1;
  animation: onair-pulse 2s ease-in-out infinite;
}

@keyframes onair-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Zone-based effects */
.stream-layout[data-zone="hot"] .avatar-ring-outer {
  opacity: 0.5;
  border-top-color: var(--danger);
  border-right-color: var(--accent-warm);
}

.stream-layout[data-zone="hot"] .avatar-ring-inner {
  opacity: 0.4;
}

.stream-layout[data-zone="fire"] .avatar-ring-outer {
  opacity: 0.7;
  animation: ring-spin 3s linear infinite;
  border-top-color: var(--live-red);
  border-right-color: var(--accent-warm);
  box-shadow: 0 0 20px rgba(255, 59, 48, 0.2);
}

.stream-layout[data-zone="fire"] .avatar-ring-inner {
  opacity: 0.6;
  animation: ring-spin 2s linear infinite reverse;
}

.stream-layout[data-zone="fire"] .avatar-icon {
  animation: avatar-float 4s ease-in-out infinite, avatar-shake 0.4s ease-in-out infinite;
  filter: drop-shadow(0 0 24px rgba(255, 59, 48, 0.3));
}

@keyframes avatar-shake {
  0%, 100% { transform: translateY(0) rotate(0); }
  25% { transform: translateY(-2px) rotate(-2deg); }
  75% { transform: translateY(-2px) rotate(2deg); }
}

.topic-display {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.topic-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.topic-text {
  font-size: 0.88rem;
  color: var(--text-primary);
}

/* Speech Area */
.speech-area {
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  flex-shrink: 0;
  max-height: 160px;
  position: relative;
}

.speech-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.speech-indicator.listening .mic-icon {
  animation: mic-pulse 1s ease-in-out infinite;
  filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.5));
}

@keyframes mic-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.15); }
}

.speech-status {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.speech-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-height: 100px;
  overflow-y: auto;
  word-break: break-word;
}

/* Comment Area */
.comment-area {
  width: 320px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comment-header {
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-display);
}

.comment-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.comment-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  line-height: 1.4;
  animation: comment-in 0.3s ease-out;
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid transparent;
}

.comment-item .comment-user {
  font-weight: 700;
  margin-right: 6px;
}

.comment-item .comment-user.type-cheer   { color: var(--accent-warm); }
.comment-item .comment-user.type-question { color: var(--accent); }
.comment-item .comment-user.type-tsukkomi { color: var(--warning); }
.comment-item .comment-user.type-empathy  { color: var(--success); }
.comment-item .comment-user.type-newcomer { color: #c39dff; }
.comment-item .comment-user.type-system   { color: var(--text-muted); }

@keyframes comment-in {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== Excitement Meter ===== */
.excitement-meter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
  transition: border-color 0.4s, box-shadow 0.4s;
}

.excitement-meter[data-zone="hot"] {
  border-color: rgba(255, 71, 87, 0.3);
  box-shadow: 0 0 16px rgba(255, 71, 87, 0.1);
}

.excitement-meter[data-zone="fire"] {
  border-color: rgba(255, 59, 48, 0.5);
  animation: meter-pulse 0.8s ease-in-out infinite;
}

@keyframes meter-pulse {
  0%, 100% { box-shadow: 0 0 12px rgba(255, 59, 48, 0.15); }
  50% { box-shadow: 0 0 28px rgba(255, 59, 48, 0.35); }
}

.soul-icon {
  font-size: 1.4rem;
  transition: filter 0.3s;
}

.soul-icon.cold { filter: grayscale(1) opacity(0.4); }
.soul-icon.warm { filter: none; }
.soul-icon.hot { animation: soul-bounce 0.6s ease-in-out infinite; }
.soul-icon.fire { animation: soul-shake 0.3s ease-in-out infinite; }

@keyframes soul-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes soul-shake {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  25% { transform: translate(-2px, -2px) rotate(-5deg); }
  50% { transform: translate(0, -3px) rotate(0); }
  75% { transform: translate(2px, -2px) rotate(5deg); }
}

.excitement-gauge {
  flex: 1;
  height: 22px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
}

.excitement-zones {
  display: flex;
  height: 100%;
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 1;
  pointer-events: none;
}

.zone {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25%;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
}
.zone:last-child { border-right: none; }

.zone-label {
  font-family: var(--font-display);
  font-size: 0.55rem;
  color: rgba(255, 255, 255, 0.2);
  font-weight: 600;
  white-space: nowrap;
}

.excitement-fill-new {
  height: 100%;
  width: 30%;
  border-radius: var(--radius-full);
  position: absolute;
  top: 0; left: 0;
  z-index: 0;
  transition: width 0.5s ease, background 0.4s;
}

.excitement-fill-new[data-zone="cold"] {
  background: linear-gradient(90deg, #4a90d9, #6ba4e0);
}

.excitement-fill-new[data-zone="warm"] {
  background: linear-gradient(90deg, #f5a623, #f7b84e);
}

.excitement-fill-new[data-zone="hot"] {
  background: linear-gradient(90deg, #ff4757, #ff6b7f);
}

.excitement-fill-new[data-zone="fire"] {
  background: linear-gradient(90deg, #ff3b30, var(--accent-warm), #ff3b30);
  background-size: 200% 100%;
  animation: fire-gradient 1.5s linear infinite;
}

@keyframes fire-gradient {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.excitement-pct {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

/* Zone tint on stream layout */
.stream-layout[data-zone="hot"]  { background: rgba(255, 71, 87, 0.02); }
.stream-layout[data-zone="fire"] { background: rgba(255, 59, 48, 0.04); }

/* ===== Floating Notifications ===== */
.floating-container {
  position: relative;
  height: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 10;
}

.floating-indicator {
  position: absolute;
  bottom: 0;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  animation: float-up 1.5s ease-out forwards;
  pointer-events: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.floating-indicator.positive {
  color: var(--success);
  background: rgba(0, 230, 160, 0.1);
  border: 1px solid rgba(0, 230, 160, 0.2);
}

.floating-indicator.negative {
  color: var(--danger);
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid rgba(255, 71, 87, 0.2);
}

.floating-indicator.neutral {
  color: var(--warning);
  background: rgba(255, 184, 0, 0.1);
  border: 1px solid rgba(255, 184, 0, 0.2);
}

.floating-indicator.combo {
  color: var(--accent-warm);
  background: rgba(255, 107, 157, 0.12);
  border: 1px solid rgba(255, 107, 157, 0.25);
  font-size: 0.95rem;
}

@keyframes float-up {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-60px); }
}

/* ===== Combo Badge ===== */
.combo-badge {
  position: absolute;
  top: 8px;
  right: 10px;
  display: none;
  flex-direction: column;
  align-items: center;
  padding: 4px 10px;
  background: rgba(255, 107, 157, 0.1);
  border: 1px solid rgba(255, 107, 157, 0.3);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.combo-badge.active {
  display: flex;
  animation: combo-pop 0.3s ease-out;
}

.combo-count {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-warm);
  line-height: 1;
}

.combo-label {
  font-family: var(--font-display);
  font-size: 0.5rem;
  font-weight: 700;
  color: rgba(255, 107, 157, 0.7);
  letter-spacing: 2px;
}

@keyframes combo-pop {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

/* ===== End Stream Button ===== */
.btn-end {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-body);
  cursor: pointer;
  align-self: center;
  transition: all 0.25s;
  flex-shrink: 0;
}

.btn-end:hover {
  border-color: var(--danger);
  color: var(--danger);
  box-shadow: 0 0 12px rgba(255, 71, 87, 0.15);
}

/* ===== Result Screen ===== */
#screen-result { overflow-y: auto; }

.result-container {
  max-width: 720px;
  width: 100%;
  padding: 40px 24px;
  text-align: center;
}

.result-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--text-primary);
}

/* Score Circle */
.score-main {
  margin-bottom: 36px;
}

.score-circle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 2px solid var(--border-accent);
  position: relative;
  box-shadow: 0 0 32px var(--accent-glow), inset 0 0 32px var(--accent-glow);
}

.score-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.score-unit {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Category Scores */
.score-categories {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  text-align: left;
}

.score-cat {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cat-label {
  font-size: 0.82rem;
  width: 140px;
  flex-shrink: 0;
  color: var(--text-secondary);
}

.cat-bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
  overflow: hidden;
}

.cat-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  border-radius: 3px;
  transition: width 1s ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

.cat-score {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  width: 30px;
  text-align: right;
  color: var(--text-primary);
}

/* Feedback */
.feedback-section {
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
  text-align: left;
}

.feedback-section h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feedback-loading {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.feedback-content { text-align: left; }

.talk-style-badge {
  display: inline-block;
  padding: 6px 18px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 107, 157, 0.1));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.feedback-block { margin-bottom: 14px; }

.feedback-block h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.feedback-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feedback-list li {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid transparent;
}

.feedback-list.good li { border-left-color: var(--success); }
.feedback-list.good li::before { content: none; }

.feedback-list.improve li { border-left-color: #ff9f43; }
.feedback-list.improve li::before { content: none; }

.feedback-overall {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Subscriber Gain */
.subscriber-gain {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(255, 107, 157, 0.06));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  margin-bottom: 20px;
  animation: subscriber-gain-in 0.5s ease-out;
}

.subscriber-gain-text {
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 600;
}

@keyframes subscriber-gain-in {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Review Prompt */
.review-prompt {
  margin-top: 16px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(124, 58, 237, 0.08));
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
  animation: subscriber-gain-in 0.5s ease-out;
}

.review-prompt-text {
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.btn-review {
  padding: 8px 24px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-review:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

/* Review Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-content {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  max-width: 440px;
  width: 100%;
  animation: subscriber-gain-in 0.3s ease-out;
}

.review-modal-content h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-align: center;
}

.review-modal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 20px;
}

.review-rating {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 1.5rem;
  cursor: pointer;
}

.review-star {
  opacity: 0.3;
  transition: opacity 0.15s;
}

.review-star.active {
  opacity: 1;
}

.review-textarea {
  width: 100%;
  padding: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: var(--font-body);
  resize: vertical;
  min-height: 80px;
}

.review-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.review-char-count {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: 4px;
  margin-bottom: 8px;
}

.review-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 8px;
}

.btn-link:hover {
  color: var(--text-secondary);
}

/* Stream Stats */
.stream-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 28px;
}

.stat-item { text-align: center; }

.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ===== Start Links ===== */
.start-links {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

/* ===== Guide Link Button (Title Screen) ===== */
.btn-guide-link {
  display: block;
  margin-top: 10px;
  padding: 8px 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: color 0.2s;
}

.btn-guide-link:hover {
  color: var(--accent);
}

/* ===== Guide / Q&A Screen ===== */
.guide-container {
  max-width: 600px;
  width: 100%;
  padding: 40px 24px;
}

.guide-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.guide-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.guide-section {
  margin-bottom: 28px;
}

.guide-section h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.guide-section p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}

.guide-steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 10px 14px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.guide-steps li::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.guide-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.guide-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 8px 14px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent);
}

.guide-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 32px 0;
}

/* FAQ */
.guide-faq h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.faq-item {
  margin-bottom: 8px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s;
}

.faq-item[open] {
  border-color: var(--border-accent);
}

.faq-item summary {
  padding: 14px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform 0.25s;
}

.faq-item[open] summary::after {
  content: '−';
  color: var(--accent);
}

.faq-item summary:hover {
  color: var(--accent);
}

.faq-item p {
  padding: 0 18px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  animation: faq-open 0.2s ease-out;
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== My Page Screen ===== */
.mypage-container {
  max-width: 560px;
  width: 100%;
  padding: 40px 24px;
}

.mypage-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.btn-back {
  padding: 8px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s;
}

.btn-back:hover {
  border-color: var(--border-medium);
  color: var(--text-secondary);
}

.mypage-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.mypage-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.mypage-avatar-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border-accent);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  box-shadow: 0 0 20px var(--accent-glow);
}

.mypage-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mypage-avatar-fallback {
  font-size: 2.5rem;
  opacity: 0.5;
}

.mypage-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mypage-provider {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mypage-credits-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  box-shadow: 0 0 20px var(--accent-glow);
}

.mypage-credits-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.mypage-credits-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.mypage-credits-value strong {
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mypage-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
}

.mypage-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px 12px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color 0.25s;
}

.mypage-stat-item:hover {
  border-color: var(--border-medium);
}

.mypage-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.mypage-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mypage-history {
  text-align: left;
}

.mypage-history h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mypage-history-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 280px;
  overflow-y: auto;
}

.mypage-history-empty {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
}

.mypage-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  transition: border-color 0.2s;
}

.mypage-history-item:hover {
  border-color: var(--border-medium);
}

.history-date {
  font-family: var(--font-display);
  color: var(--text-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.history-score { color: var(--text-secondary); }
.history-score strong {
  font-family: var(--font-display);
  color: var(--text-primary);
}

.history-subs {
  font-family: var(--font-display);
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}

/* ===== Tutorial Overlay ===== */
.tutorial-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: overlay-in 0.3s ease-out;
}

@keyframes overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.tutorial-card {
  max-width: 400px;
  width: 90%;
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 44px 32px;
  text-align: center;
  animation: card-in 0.4s ease-out 0.1s both;
}

@keyframes card-in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.tutorial-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.tutorial-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.tutorial-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}

.tutorial-steps {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.tutorial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.3s;
}

.tutorial-dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  width: 24px;
  border-radius: 4px;
}

.tutorial-btn {
  width: 100%;
  margin-top: 0;
}

.tutorial-skip {
  display: block;
  margin: 14px auto 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: color 0.2s;
}

.tutorial-skip:hover {
  color: var(--text-secondary);
}

/* ===== Credits Exhausted ===== */
.credits-exhausted { color: var(--danger) !important; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.08); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.15); }

/* ===== Loading Spinner ===== */
.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .stream-main {
    flex-direction: column;
  }

  .comment-area {
    width: 100%;
    max-height: 200px;
  }

  .camera-placeholder {
    min-height: 100px;
  }

  .avatar-svg {
    max-height: 140px;
  }

  .btn-end {
    display: none;
  }

  .btn-end-mobile {
    display: block;
    padding: 5px 10px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .btn-end-mobile:active {
    border-color: var(--danger);
    color: var(--danger);
  }

  .game-title {
    font-size: 1.8rem;
  }

  .stream-stats {
    gap: 16px;
  }

  .title-container,
  .login-container,
  .result-container,
  .mypage-container {
    padding-top: 24px;
    padding-bottom: 32px;
  }

  .setup-row {
    flex-direction: column;
    gap: 0;
  }

  .duration-selector {
    flex-direction: row;
  }

  .mypage-stats {
    gap: 8px;
  }

  .mypage-stat-item {
    padding: 12px 8px;
  }

  .mypage-stat-value {
    font-size: 1.2rem;
  }

  .progression-bar {
    flex-wrap: wrap;
    gap: 8px 16px;
  }

  .login-chips {
    display: none;
  }

  .login-chat-bg {
    opacity: 0.02;
  }

  .title-hero-heading {
    font-size: 1.2rem;
  }

  .app-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .app-header-right .user-name {
    display: none;
  }
}