/* ==========================================================================
   Client News Center (news-cntr) - Modern Mobile-First Stylesheet
   Living Ledger Design System: Midnight Ink, Crisp Paper & Editorial Palette
   ========================================================================== */

:root {
  --font-scale: 1;
  --color-primary: #0F172A;
  --color-primary-light: #1E293B;
  --color-accent: #E11D48;
  --color-accent-hover: #BE123C;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  --color-text-main: #0F172A;
  --color-text-muted: #64748B;
  --color-text-sub: #475569;
  
  --cat-afa-bg: #FFF1F2;
  --cat-afa-text: #BE123C;
  --cat-afa-border: #FECDD3;

  --cat-retiree-bg: #ECFDF5;
  --cat-retiree-text: #047857;
  --cat-retiree-border: #A7F3D0;

  --cat-p100-bg: #EFF6FF;
  --cat-p100-text: #1D4ED8;
  --cat-p100-border: #BFDBFE;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Noto Sans TC", sans-serif;
  --font-serif: 'Noto Serif TC', "Songti TC", Georgia, serif;
}

body[data-font-size="normal"] { --font-scale: 1; }
body[data-font-size="large"] { --font-scale: 1.15; }
body[data-font-size="xlarge"] { --font-scale: 1.30; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: calc(0.95rem * var(--font-scale));
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.site-header {
  background-color: var(--color-primary);
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

@media (min-width: 768px) {
  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
  }
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #E11D48, #9333EA);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  flex-shrink: 0;
}

.brand-title {
  font-size: calc(1.2rem * var(--font-scale));
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.brand-subtitle {
  font-size: calc(0.78rem * var(--font-scale));
  color: #94A3B8;
  font-weight: 400;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-wrap: wrap;
}

.control-group { display: flex; align-items: center; gap: 0.4rem; }
.control-label {
  font-size: calc(0.75rem * var(--font-scale));
  color: #94A3B8;
  font-weight: 500;
}

.segmented-control {
  display: inline-flex;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-segment {
  border: none;
  background: transparent;
  color: #CBD5E1;
  font-family: inherit;
  font-size: calc(0.78rem * var(--font-scale));
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.18s ease;
  line-height: 1.2;
  min-height: 28px;
}

.btn-segment:hover { color: #FFFFFF; }
.btn-segment.active {
  background-color: #FFFFFF;
  color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.main-content {
  flex: 1;
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}

.filter-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-box { position: relative; width: 100%; }
.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.85rem 2.75rem 0.85rem 2.85rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: calc(0.95rem * var(--font-scale));
  color: var(--color-text-main);
  background-color: #FAFAFA;
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
}

.search-clear-btn {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  background: #E2E8F0;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #475569;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.category-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  white-space: nowrap;
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-text-sub);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: calc(0.85rem * var(--font-scale));
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  flex-shrink: 0;
}

.tab-btn:hover {
  border-color: var(--color-border-hover);
  background-color: #F8FAFC;
  color: var(--color-text-main);
}

.tab-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

.filter-tools-row {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.85rem;
}

@media (min-width: 768px) {
  .filter-tools-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.topic-scroll {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.topic-pill {
  border: 1px solid var(--color-border);
  background-color: #F1F5F9;
  color: var(--color-text-sub);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: calc(0.76rem * var(--font-scale));
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.topic-pill:hover {
  background-color: #E2E8F0;
  color: var(--color-text-main);
}

.topic-pill.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

.sort-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.sort-label {
  font-size: calc(0.82rem * var(--font-scale));
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.sort-select {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  font-family: inherit;
  font-size: calc(0.82rem * var(--font-scale));
  color: var(--color-text-main);
  cursor: pointer;
}

.sort-select:focus { outline: none; border-color: var(--color-accent); }

.results-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: calc(0.8rem * var(--font-scale));
  color: var(--color-text-muted);
  padding-top: 0.35rem;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
}

.news-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.news-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.card-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: calc(0.72rem * var(--font-scale));
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.card-badge.afa {
  background-color: var(--cat-afa-bg);
  color: var(--cat-afa-text);
  border: 1px solid var(--cat-afa-border);
}

.card-badge.retiree {
  background-color: var(--cat-retiree-bg);
  color: var(--cat-retiree-text);
  border: 1px solid var(--cat-retiree-border);
}

.card-badge.p100 {
  background-color: var(--cat-p100-bg);
  color: var(--cat-p100-text);
  border: 1px solid var(--cat-p100-border);
}

.card-date-read {
  font-size: calc(0.75rem * var(--font-scale));
  color: var(--color-text-muted);
}

.card-title {
  font-size: calc(1.05rem * var(--font-scale));
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text-main);
  margin-bottom: 0.65rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-excerpt {
  font-size: calc(0.85rem * var(--font-scale));
  color: var(--color-text-sub);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-author-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: calc(0.75rem * var(--font-scale));
  color: var(--color-text-muted);
  margin-bottom: 0.85rem;
  padding-top: 0.65rem;
  border-top: 1px solid #F1F5F9;
}

.author-name { font-weight: 600; color: #334155; }

.card-topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tag-chip {
  background-color: #F8FAFC;
  border: 1px solid #E2E8F0;
  color: #64748B;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: calc(0.7rem * var(--font-scale));
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: calc(0.82rem * var(--font-scale));
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  min-height: 38px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-primary);
  flex: 1;
}

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

.btn-outline {
  background-color: #FFFFFF;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  background-color: #F8FAFC;
  border-color: var(--color-border-hover);
}

.btn-print {
  color: #047857;
  border-color: #A7F3D0;
  background-color: #ECFDF5;
}

.btn-print:hover {
  background-color: #D1FAE5;
  border-color: #34D399;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background-color: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  margin-top: 1rem;
}

.empty-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.empty-state h3 { font-size: calc(1.15rem * var(--font-scale)); margin-bottom: 0.5rem; }
.empty-state p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  margin-top: auto;
  font-size: calc(0.82rem * var(--font-scale));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.text-muted { color: var(--color-text-muted); }

.cf-badge {
  display: inline-block;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
}

/* Modal Article Reader */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-backdrop.open { opacity: 1; visibility: visible; }

.modal-container {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1050px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-backdrop.open .modal-container { transform: translateY(0); }

.modal-header {
  padding: 0.875rem 1.25rem;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .modal-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.modal-meta { display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap; }
.modal-title {
  font-size: calc(1.05rem * var(--font-scale));
  font-weight: 700;
  color: var(--color-primary);
  margin-left: 0.25rem;
}

.modal-header-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.modal-close-btn {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #334155;
  transition: all 0.15s ease;
}

.modal-close-btn:hover { background-color: #E2E8F0; color: #0F172A; }

.modal-body { flex: 1; position: relative; background-color: #F8FAFC; }
.modal-loader {
  position: absolute;
  inset: 0;
  background-color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 5;
  transition: opacity 0.2s ease;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #E2E8F0;
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.reader-iframe { width: 100%; height: 100%; border: none; background-color: #FFFFFF; }

.hidden-print-frame {
  position: fixed;
  right: 100%;
  bottom: 100%;
  width: 0;
  height: 0;
  border: none;
  visibility: hidden;
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  font-size: calc(0.85rem * var(--font-scale));
  font-weight: 500;
  z-index: 150;
  opacity: 0;
  transition: all 0.25s ease;
  pointer-events: none;
}

.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

@media print {
  @page {
    size: A4 portrait;
    margin: 15mm 12mm 15mm 12mm;
  }
  body {
    background-color: #FFFFFF !important;
    color: #111111 !important;
    font-size: 10.5pt !important;
    line-height: 1.5 !important;
  }
  .site-header, .filter-section, .site-footer, .card-actions,
  .modal-header-actions, .modal-close-btn, .toast, .hidden-print-frame,
  .upload-fab, .tts-bar {
    display: none !important;
  }
  .modal-backdrop { position: static !important; background: none !important; padding: 0 !important; }
  .modal-container { height: auto !important; box-shadow: none !important; border: none !important; }
  .reader-iframe { height: auto !important; min-height: 800px; }
}

/* ==========================================================================
   Upload Feature (FAB, dialogs, wizard, forms)
   ========================================================================== */

.upload-fab {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 90;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  background-color: var(--color-accent);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.upload-fab:hover { background-color: var(--color-accent-hover); transform: translateY(-2px); }
.upload-fab:active { transform: scale(0.94); }

/* Compact dialog modals (password / upload / guide) */
.modal-dialog {
  max-width: 440px;
  height: auto;
  max-height: 88vh;
}

.modal-dialog-lg { max-width: 660px; }

.modal-form-body {
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-label {
  display: block;
  font-size: calc(0.78rem * var(--font-scale));
  font-weight: 600;
  color: var(--color-text-sub);
  margin-bottom: 0.3rem;
}

.form-input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: calc(0.88rem * var(--font-scale));
  color: var(--color-text-main);
  background-color: #FAFAFA;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

textarea.form-input { resize: vertical; min-height: 52px; }

.form-hint {
  font-size: calc(0.78rem * var(--font-scale));
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-error {
  font-size: calc(0.8rem * var(--font-scale));
  color: var(--color-accent);
  font-weight: 600;
}

.form-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.btn-flex { flex: 1; }
.btn-sm { min-height: 32px; padding: 0.35rem 0.7rem; font-size: calc(0.76rem * var(--font-scale)); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 560px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-field-full { grid-column: 1 / -1; }
}

.new-cat-wrap {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  padding: 0.85rem;
  border: 1px dashed var(--color-border-hover);
  border-radius: var(--radius-md);
  background-color: #F8FAFC;
}

@media (min-width: 560px) {
  .new-cat-wrap { grid-template-columns: 1fr 1fr 1fr; }
}

.verify-note {
  padding: 0.6rem 0.8rem;
  background-color: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: var(--radius-md);
  color: #047857;
  font-weight: 500;
}

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--color-border-hover);
  border-radius: var(--radius-lg);
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  text-align: center;
  color: var(--color-text-muted);
  background-color: #FAFAFA;
  transition: all 0.18s ease;
}

.drop-zone.dragover {
  border-color: var(--color-accent);
  background-color: #FFF1F2;
  color: var(--color-accent);
}

.drop-zone-title {
  font-size: calc(1rem * var(--font-scale));
  font-weight: 700;
  color: var(--color-text-main);
}

/* Upload success step */
.upload-success { text-align: center; }
.upload-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 50%;
  background-color: #ECFDF5;
  color: #047857;
  display: flex;
  align-items: center;
  justify-content: center;
}
.upload-success h3 { font-size: calc(1.15rem * var(--font-scale)); }

.save-path-hint {
  font-size: calc(0.82rem * var(--font-scale));
  background-color: #F1F5F9;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.8rem;
  word-break: break-all;
}
.save-path-hint code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* AI guide */
.guide-body p { font-size: calc(0.85rem * var(--font-scale)); color: var(--color-text-sub); }
.guide-pre {
  background-color: #0F172A;
  color: #E2E8F0;
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 40vh;
  overflow-y: auto;
  user-select: all;
}

/* Local (uploaded) badge & card buttons */
.local-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: calc(0.68rem * var(--font-scale));
  font-weight: 700;
  background-color: #F5F3FF;
  color: #6D28D9;
  border: 1px solid #DDD6FE;
}

.card-badge.custom {
  background-color: #F5F3FF;
  color: #6D28D9;
  border: 1px solid #DDD6FE;
}

.card-actions { flex-wrap: wrap; }

.btn-icon { padding: 0.55rem; min-width: 38px; }

.btn-listen { color: #6D28D9; border-color: #DDD6FE; background-color: #F5F3FF; }
.btn-listen:hover { background-color: #EDE9FE; border-color: #C4B5FD; }

.btn-danger { color: #B91C1C; border-color: #FECACA; background-color: #FEF2F2; }
.btn-danger:hover { background-color: #FEE2E2; border-color: #F87171; }

.btn-tts { color: #6D28D9; border-color: #DDD6FE; background-color: #F5F3FF; }
.btn-tts:hover { background-color: #EDE9FE; border-color: #C4B5FD; }

/* ==========================================================================
   Global TTS Player Bar (floating island)
   ========================================================================== */

.tts-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(0.9rem + env(safe-area-inset-bottom, 0px));
  z-index: 120;
  width: min(94vw, 560px);
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-xl);
  padding: 0.65rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.tts-bar[hidden] { display: none; }

.tts-row { display: flex; align-items: center; gap: 0.6rem; }

.tts-title {
  flex: 1;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #E2E8F0;
}

.tts-progress {
  font-size: 0.72rem;
  color: #94A3B8;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.tts-row-controls { justify-content: space-between; flex-wrap: wrap; }

.tts-lang-control {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.tts-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  transition: background-color 0.15s ease;
  flex-shrink: 0;
}

.tts-icon-btn:hover { background-color: rgba(255, 255, 255, 0.2); }

.tts-playpause {
  width: 44px;
  height: 44px;
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.tts-playpause:hover { background-color: var(--color-accent-hover); }

.tts-rate { width: auto; min-width: 46px; border-radius: var(--radius-full); padding: 0 0.6rem; }

@media (max-width: 480px) {
  .tts-bar { bottom: calc(0.6rem + env(safe-area-inset-bottom, 0px)); padding: 0.55rem 0.7rem; }
}