/* BookClub — Minimal Synchronized Read-Along & Audiobook Platform (web/styles.css) */
:root {
  color-scheme: light dark;

  /* Default Theme: Archival Literary Paper */
  --bg-page: #f6f1e6;
  --bg-surface: #efe8d8;
  --bg-surface-glass: rgba(239, 232, 216, 0.88);
  --bg-elevated: #fdfaf2;
  --text-primary: #1c1813;
  --text-secondary: #5a5043;
  --text-muted: #847766;
  --border-color: rgba(28, 24, 19, 0.12);
  --accent-primary: #1b5e3a;
  --accent-soft: rgba(27, 94, 58, 0.12);
  --sent-active-bg: rgba(27, 94, 58, 0.09);
  --word-active-bg: #1b5e3a;
  --word-active-fg: #ffffff;
  --center-guide-color: rgba(27, 94, 58, 0.2);
  --shadow-elevated: 0 12px 36px rgba(28, 24, 19, 0.14);

  /* Speaker Badge Colors */
  --spk-0: #4a5568;
  --spk-1: #b45309;
  --spk-2: #1e40af;
  --spk-3: #047857;
  --spk-4: #7e22ce;

  /* Fluid Literary Typography */
  --reader-font-serif: "Charter", "Iowan Old Style", "Newsreader", "Sitka Text", "Palatino Linotype", Georgia, serif;
  --reader-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  --reader-font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --reader-font-size: clamp(1.14rem, 1.04rem + 0.45vw, 1.42rem);
  --reader-line-height: 1.74;
}

/* Dark Theme: OLED Night Mode */
[data-theme="dark"] {
  --bg-page: #111318;
  --bg-surface: #181c23;
  --bg-surface-glass: rgba(24, 28, 35, 0.88);
  --bg-elevated: #202630;
  --text-primary: #ece7dc;
  --text-secondary: #a69f93;
  --text-muted: #756f65;
  --border-color: rgba(255, 255, 255, 0.1);
  --accent-primary: #52b788;
  --accent-soft: rgba(82, 183, 136, 0.16);
  --sent-active-bg: rgba(82, 183, 136, 0.11);
  --word-active-bg: #52b788;
  --word-active-fg: #0d1310;
  --center-guide-color: rgba(82, 183, 136, 0.24);
  --shadow-elevated: 0 14px 40px rgba(0, 0, 0, 0.55);
}

/* Daylight DC-1 Profile: 60fps Reflective Paper */
[data-theme="dc1"] {
  --bg-page: #f0eee4;
  --bg-surface: #e3e0d3;
  --bg-surface-glass: rgba(227, 224, 211, 0.94);
  --bg-elevated: #f8f6ee;
  --text-primary: #111111;
  --text-secondary: #333333;
  --text-muted: #555555;
  --border-color: rgba(17, 17, 17, 0.18);
  --accent-primary: #111111;
  --accent-soft: rgba(17, 17, 17, 0.1);
  --sent-active-bg: rgba(17, 17, 17, 0.08);
  --word-active-bg: #111111;
  --word-active-fg: #f8f6ee;
  --center-guide-color: rgba(17, 17, 17, 0.24);
  --shadow-elevated: none;
}

/* E-Ink Profile: High-Contrast Zero-Ghost */
[data-theme="eink"] {
  --bg-page: #ffffff;
  --bg-surface: #f4f4f4;
  --bg-surface-glass: #f4f4f4;
  --bg-elevated: #ffffff;
  --text-primary: #000000;
  --text-secondary: #1a1a1a;
  --text-muted: #333333;
  --border-color: #000000;
  --accent-primary: #000000;
  --accent-soft: transparent;
  --sent-active-bg: transparent;
  --word-active-bg: #000000;
  --word-active-fg: #ffffff;
  --center-guide-color: #000000;
  --shadow-elevated: none;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--reader-font-sans);
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100dvh;
  width: 100vw;
  position: relative;
}

/* ============================================================================
   1. Minimal Mobile-First Top Bar
   ============================================================================ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: calc(0.45rem + env(safe-area-inset-top, 0px)) 0.85rem 0.45rem 0.85rem;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  z-index: 20;
  min-height: 50px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  flex: 1;
}

.brand-badge {
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  flex-shrink: 0;
  user-select: none;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: inline-block;
  flex-shrink: 0;
}

.selector-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
  flex: 1;
}

.selector-divider {
  color: var(--text-muted);
  font-size: 0.78rem;
  opacity: 0.6;
  user-select: none;
}

.nav-select {
  background: transparent !important;
  border: 1px solid transparent !important;
  font-weight: 600 !important;
  font-size: 0.82rem !important;
  padding: 0.3rem 0.45rem !important;
  border-radius: 8px !important;
  max-width: 185px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.nav-select:hover,
.nav-select:focus {
  background: var(--bg-elevated) !important;
  border-color: var(--border-color) !important;
}

.top-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.btn-icon-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  height: 36px;
  padding: 0 0.68rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--reader-font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.btn-icon-pill:active {
  transform: scale(0.96);
}

.club-pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-primary);
  color: var(--word-active-fg);
  border-radius: 999px;
  padding: 0.05rem 0.42rem;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.2;
}

.control-select,
.btn-pill {
  font-family: var(--reader-font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.38rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  cursor: pointer;
}

.btn-pill.active {
  background: var(--accent-primary);
  color: var(--word-active-fg);
  border-color: var(--accent-primary);
}

.btn-ghost-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  border-radius: 999px;
}

.btn-icon-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: pointer;
  flex-shrink: 0;
}

.full-width-btn {
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
}

/* ============================================================================
   2. Main Synchronized Read-Along Stage
   ============================================================================ */
.reader-stage {
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  background: var(--bg-page);
}

/* Floating Compact Club Context Pill (top center of stage) */
.club-readalong-banner {
  position: absolute;
  top: 0.55rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 0.22rem 0.35rem 0.22rem 0.7rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  max-width: calc(100vw - 1.5rem);
  white-space: nowrap;
}

.club-pill-trigger {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  min-width: 0;
  overflow: hidden;
}

.club-readalong-badge {
  font-weight: 700;
  color: var(--accent-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.club-readalong-target {
  color: var(--text-secondary);
  font-weight: 500;
  padding-left: 0.4rem;
  border-left: 1px solid var(--border-color);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 155px;
}

.club-readalong-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
}

.btn-mini-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.72rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

/* Minimal Center Horizon Ticks (no text labels) */
.center-line-guide {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 0;
  pointer-events: none;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0.5rem;
}

.center-line-tick {
  width: 12px;
  height: 1.5px;
  background: var(--center-guide-color);
  border-radius: 2px;
}

.center-line-label {
  display: none !important;
}

.reader-viewport {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 46vh 1.25rem 50vh 1.25rem;
  scroll-behavior: auto;
  will-change: scroll-position;
}

.reader-column {
  max-width: 62ch;
  margin: 0 auto;
  font-family: var(--reader-font-serif);
  font-size: var(--reader-font-size);
  line-height: var(--reader-line-height);
  text-wrap: pretty;
  font-variant-numeric: oldstyle-nums;
}

.chapter-header {
  margin-bottom: 2rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--border-color);
}

.chapter-eyebrow {
  font-family: var(--reader-font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.chapter-heading {
  font-size: clamp(1.45rem, 1.25rem + 0.9vw, 2rem);
  line-height: 1.2;
  margin: 0 0 0.35rem 0;
  text-wrap: balance;
}

.chapter-submeta {
  font-family: var(--reader-font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.book-paragraph {
  margin: 0 0 1.3em 0;
  position: relative;
}

.sentence {
  border-radius: 4px;
  transition: background-color 0.12s ease;
  padding: 1px 0;
}

.word {
  cursor: pointer;
  border-radius: 3px;
  padding: 0 1.5px;
  margin: 0 -1.5px;
  display: inline;
}

.word:hover {
  background-color: var(--accent-soft);
}

/* Highlight Modes */
body:not([data-highlight-mode]) .sentence.active-sentence,
body[data-highlight-mode="sentence"] .sentence.active-sentence {
  background-color: transparent;
  text-decoration: underline;
  text-decoration-color: var(--accent-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

body:not([data-highlight-mode]) .word.active-word,
body[data-highlight-mode="sentence"] .word.active-word {
  background-color: transparent;
  color: inherit;
  font-weight: inherit;
  box-shadow: none;
}

body[data-highlight-mode="none"] .sentence.active-sentence,
body[data-highlight-mode="none"] .word.active-word {
  background-color: transparent;
  text-decoration: none;
  color: inherit;
  font-weight: inherit;
  box-shadow: none;
}

body[data-highlight-mode="word"] .sentence.active-sentence {
  background-color: var(--sent-active-bg);
  text-decoration: none;
}

[data-theme="eink"] body[data-highlight-mode="word"] .sentence.active-sentence {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}

body[data-highlight-mode="word"] .word.active-word {
  background-color: var(--word-active-bg);
  color: var(--word-active-fg);
  font-weight: 600;
  box-shadow: 0 0 0 2px var(--word-active-bg);
}

/* Hands-Free Immersive Play Mode */
body.is-playing-immersive .app-shell {
  grid-template-rows: 1fr;
}

body.is-playing-immersive .top-bar,
body.is-playing-immersive .player-bar,
body.is-playing-immersive .center-line-guide,
body.is-playing-immersive .studio-drawer,
body.is-playing-immersive .club-readalong-banner,
body.is-playing-immersive .club-hub-overlay {
  display: none !important;
}

body.is-playing-immersive .reader-stage {
  cursor: pointer;
}

body.is-playing-immersive .word:hover {
  background-color: transparent;
}

/* Inline Director Cues */
.director-chip {
  display: none;
  font-family: var(--reader-font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.1rem 0.38rem;
  margin-right: 0.35rem;
  border-radius: 4px;
  vertical-align: middle;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  user-select: none;
}

body.show-director-tags .director-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.director-chip[data-spk="<|speaker:1|>"] { border-left: 3px solid var(--spk-1); }
.director-chip[data-spk="<|speaker:2|>"] { border-left: 3px solid var(--spk-2); }
.director-chip[data-spk="<|speaker:3|>"] { border-left: 3px solid var(--spk-3); }
.director-chip[data-spk="<|speaker:4|>"] { border-left: 3px solid var(--spk-4); }

/* ============================================================================
   3. Sleek Mobile-First Bottom Audio Transport Bar
   ============================================================================ */
.player-bar {
  background: var(--bg-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-color);
  padding: 0.5rem 0.9rem calc(0.55rem + env(safe-area-inset-bottom, 0px)) 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  z-index: 20;
}

.scrubber-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
}

.timeline-slider {
  flex: 1;
  height: 4px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.time-readout {
  font-family: var(--reader-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.71rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.player-controls-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
}

.player-left-cluster {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.player-center-cluster {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.player-right-cluster {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.38rem;
}

.pill-select-compact {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  max-width: 155px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.speed-select {
  font-family: var(--reader-font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.3rem 0.45rem;
  border-radius: 999px;
}

.btn-transport {
  font-family: var(--reader-font-sans);
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.btn-transport:active {
  transform: scale(0.94);
}

.btn-circle-sm {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  padding: 0;
  font-size: 0.85rem;
  font-weight: 600;
}

.btn-transport.btn-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  padding: 0;
  background: var(--accent-primary);
  color: var(--word-active-fg);
  border-color: var(--accent-primary);
  font-size: 1rem;
  box-shadow: 0 3px 10px rgba(27, 94, 58, 0.25);
}

/* ============================================================================
   4. Settings & Audio Sheet (Drawer)
   ============================================================================ */
.studio-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 100vw);
  background: var(--bg-elevated);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-elevated);
  z-index: 50;
  transform: translateX(102%);
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
}

.studio-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  padding: calc(0.75rem + env(safe-area-inset-top, 0px)) 1rem 0.75rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-body {
  padding: 0.9rem 1rem 2rem 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.84rem;
}

.studio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem;
}

.studio-card h3 {
  margin: 0 0 0.55rem 0;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.settings-toggles-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.settings-toggles-row .btn-pill {
  flex: 1;
  text-align: center;
}

.studio-advanced-details {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-surface);
  overflow: hidden;
}

.studio-advanced-details > summary {
  padding: 0.75rem 0.9rem;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.studio-advanced-body {
  padding: 0 0.75rem 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.studio-subbox {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.65rem;
  margin-bottom: 0.65rem;
  background: var(--bg-elevated);
}

.inline-search-row {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.inline-search-row input {
  flex: 1;
  min-width: 130px;
  padding: 0.38rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.8rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
  margin-bottom: 0.55rem;
}

.form-field label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-field input,
.form-field textarea,
.form-field select,
.details-form-body input,
.details-form-body select {
  font-family: var(--reader-font-sans);
  font-size: 0.8rem;
  padding: 0.42rem 0.58rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.code-preview {
  font-family: var(--reader-font-mono);
  font-size: 0.72rem;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.55rem;
  overflow-x: auto;
  white-space: pre-wrap;
  line-height: 1.42;
  max-height: 140px;
}

.status-badge {
  font-family: var(--reader-font-mono);
  font-size: 0.68rem;
  padding: 0.14rem 0.45rem;
  border-radius: 99px;
  border: 1px solid var(--border-color);
}

.status-badge.online {
  background: var(--accent-soft);
  color: var(--accent-primary);
}

/* ============================================================================
   5. Minimal Mobile-First Book Club Sheet
   ============================================================================ */
.club-hub-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 60;
  display: none;
  justify-content: center;
  align-items: flex-end;
}

.club-hub-overlay.open {
  display: flex;
}

.club-sheet-container {
  width: min(860px, 100vw);
  height: min(92dvh, 100dvh);
  background: var(--bg-page);
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-elevated);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.club-hub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.club-switcher-strip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  min-width: 0;
  flex: 1;
  scrollbar-width: none;
}

.club-switcher-strip::-webkit-scrollbar {
  display: none;
}

.clubs-pill-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.club-list-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--reader-font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.club-list-item.active {
  background: var(--accent-primary);
  color: var(--word-active-fg);
  border-color: var(--accent-primary);
}

.club-hub-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.control-input-sm {
  font-family: var(--reader-font-sans);
  font-size: 0.78rem;
  padding: 0.34rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.active-club-hero {
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.active-club-title-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.active-club-title {
  margin: 0;
  font-size: 1.15rem;
  font-family: var(--reader-font-serif);
}

.active-club-desc {
  margin: 0.2rem 0 0 0;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.active-club-hero-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.club-quick-join {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.invite-code-pill {
  font-family: var(--reader-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px dashed var(--accent-primary);
  color: var(--accent-primary);
  cursor: pointer;
}

/* Segmented Tabs */
.club-tabs-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
  padding: 0.5rem 0.9rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.club-tab-btn {
  font-family: var(--reader-font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.42rem 0.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.club-tab-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.tab-badge {
  font-size: 0.68rem;
  padding: 0.05rem 0.38rem;
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent-primary);
}

.club-main-panel {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem 1rem calc(1.2rem + env(safe-area-inset-bottom, 0px)) 1rem;
}

.club-tab-pane {
  display: none;
  flex-direction: column;
  gap: 0.8rem;
}

.club-tab-pane.active {
  display: flex;
}

.club-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem;
}

.club-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.55rem;
}

.club-card-header h4 {
  margin: 0;
  font-size: 0.86rem;
}

/* Club Books Grid */
.club-books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 0.8rem;
}

.club-book-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.7rem;
}

.club-book-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.club-book-title {
  margin: 0;
  font-size: 1.05rem;
  font-family: var(--reader-font-serif);
}

.club-book-author {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.1rem;
}

.club-book-dates {
  font-family: var(--reader-font-mono);
  font-size: 0.71rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-top: 0.45rem;
}

.club-book-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* Schedule & Targets */
.targets-book-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.65rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.book-dates-editor {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  font-size: 0.76rem;
}

.targets-two-col {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0.85rem;
}

.club-targets-list,
.member-progress-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.target-item-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-primary);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.target-item-card.completed {
  border-left-color: #059669;
  opacity: 0.9;
}

.target-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.target-item-title {
  font-weight: 600;
  font-size: 0.84rem;
}

.target-due-pill {
  font-family: var(--reader-font-mono);
  font-size: 0.68rem;
  padding: 0.12rem 0.45rem;
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent-primary);
  font-weight: 600;
}

.compact-details-box {
  margin-top: 0.65rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.55rem;
}

.compact-details-box > summary {
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.details-form-body {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.progress-item-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.76rem;
}

.progress-bar-track {
  height: 6px;
  background: var(--border-color);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-primary);
  border-radius: 99px;
}

/* Chat / Message Board */
.message-board-layout {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.composer-textarea {
  width: 100%;
  font-family: var(--reader-font-sans);
  font-size: 0.84rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  resize: vertical;
  margin-bottom: 0.5rem;
}

.composer-footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.composer-selectors {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.compact-check {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.feed-filter-row {
  display: flex;
  justify-content: flex-end;
}

.composer-quote-box {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent-primary);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  margin-bottom: 0.55rem;
  font-size: 0.78rem;
}

.club-messages-feed {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.message-post-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.message-post-card.pinned {
  border-color: var(--accent-primary);
}

.post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.post-author-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
}

.post-tags-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.post-topic-pill {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.12rem 0.48rem;
  border-radius: 99px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.post-body-text {
  font-size: 0.85rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.spoiler-blurred {
  filter: blur(6px);
  user-select: none;
  cursor: pointer;
  transition: filter 0.2s ease;
}

.spoiler-blurred.revealed {
  filter: none;
  user-select: auto;
}

.post-quote-attachment {
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent-primary);
  border-radius: 6px;
  padding: 0.55rem 0.75rem;
  font-family: var(--reader-font-serif);
  font-size: 0.84rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.post-reactions-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.reaction-btn {
  font-size: 0.72rem;
  padding: 0.16rem 0.45rem;
  border-radius: 99px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  cursor: pointer;
}

.reaction-btn.reacted {
  border-color: var(--accent-primary);
  background: var(--accent-soft);
  font-weight: 700;
}

.post-replies-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--border-color);
  margin-top: 0.2rem;
}

.post-reply-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.38rem 0.55rem;
  font-size: 0.78rem;
}

.post-reply-form {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.2rem;
}

/* Members & Invites */
.invite-share-row {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.pending-invites-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.73rem;
  margin-top: 0.45rem;
}

.pending-invite-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.3rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.club-members-roster {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  font-size: 0.78rem;
}

.member-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Modals */
.club-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem;
}

.club-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: min(460px, 95vw);
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-elevated);
  overflow: hidden;
}

.club-modal-header {
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.club-modal-header h3 {
  margin: 0;
  font-size: 0.94rem;
}

.club-modal-body {
  padding: 0.95rem 1rem;
  overflow-y: auto;
}

.upload-step-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.65rem;
}

.upload-step-box h4 {
  font-size: 0.82rem;
}

/* Mobile Responsive Refinements */
@media (max-width: 720px) {
  .brand-name {
    display: none;
  }
  .nav-select {
    max-width: 135px;
    font-size: 0.78rem !important;
    padding: 0.25rem 0.35rem !important;
  }
  .reader-viewport {
    padding: 44vh 1rem 48vh 1rem;
  }
  .pill-select-compact {
    max-width: 112px;
    font-size: 0.71rem;
    padding: 0.26rem 0.45rem;
  }
  .speed-select {
    font-size: 0.71rem;
    padding: 0.26rem 0.35rem;
  }
  .targets-two-col {
    grid-template-columns: 1fr;
  }
  .club-sheet-container {
    height: 95dvh;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
}