/* === base.css === */
/* VocabFlow - 100% Offline Mobile Stylesheet */
:root {
  /* Warm cream and neo-editorial card palette matched to reference screenshot */
  --bg-canvas: #F6F4ED;
  --bg-card: #FFFFFF;
  --border-dark: #1E1E1E;
  --border-subtle: #D8D4C8;

  --text-main: #181818;
  --text-muted: #5A5852;

  /* Level Pill Accents */
  --lvl1-bg: #E1EFFF;
  --lvl1-text: #1A5694;
  --lvl2-bg: #FEF3D6;
  --lvl2-text: #8F5E06;
  --lvl3-bg: #D8EFDC;
  --lvl3-text: #176527;
  --grad-bg: #EBE5F7;
  --grad-text: #5A2CA0;

  /* Upper Box: Soft Warm Mint Green for Synonyms */
  --box-syn-bg: #EAF4EC;
  --box-syn-border: #99CAA1;
  --chip-syn-bg: #D4ECD8;
  --chip-syn-border: #4D8F58;
  --chip-syn-text: #194F23;

  /* Lower Box: Soft Warm Rose/Peach for Antonyms */
  --box-ant-bg: #FDF0ED;
  --box-ant-border: #E8B4AC;
  --chip-ant-bg: #FADAD3;
  --chip-ant-border: #B25348;
  --chip-ant-text: #70261D;

  /* Primary Action Forest Green */
  --btn-green: #177C3E;
  --btn-green-hover: #126331;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-pill: 9999px;

  --font-serif: 'Lora', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-hindi: 'Noto Sans Devanagari', var(--font-sans);
}

[data-theme="dark"] {
  /* Dark Mode Palette matching reference screenshot */
  --bg-canvas: #0f1115;
  --bg-card: #181b22;
  --border-dark: #2a2e39;
  --border-subtle: #20242e;

  --text-main: #f0f2f5;
  --text-muted: #9aa0a6;

  /* Target word gold/amber accent from screenshot */
  --word-gold: #f6c453;

  /* Level Pill Accents */
  --lvl1-bg: #152238;
  --lvl1-text: #60a5fa;
  --lvl2-bg: #332615;
  --lvl2-text: #f5ba42;
  --lvl3-bg: #132b1e;
  --lvl3-text: #4ade80;
  --grad-bg: #26193d;
  --grad-text: #c084fc;

  /* Upper Box: Emerald Green for Synonyms */
  --box-syn-bg: #13241b;
  --box-syn-border: #1b4d32;
  --chip-syn-bg: #163326;
  --chip-syn-border: #22c55e;
  --chip-syn-text: #86efac;

  /* Lower Box: Crimson/Coral for Antonyms */
  --box-ant-bg: #241618;
  --box-ant-border: #4d1d24;
  --chip-ant-bg: #361b20;
  --chip-ant-border: #ef4444;
  --chip-ant-text: #fca5a5;

  /* Primary Action Emerald Green */
  --btn-green: #10b981;
  --btn-green-hover: #059669;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

body {
  font-family: var(--font-sans);
  background-color: #E6E2D8;
  color: var(--text-main);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: stretch;
  overflow-x: hidden;
}

#app-container {
  width: 100%;
  max-width: 440px;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg-canvas);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.25);
}

/* === header.css === */
/* =========================================
   TOP HEADER
   ========================================= */
.app-header {
  min-height: 64px;
  height: auto;
  padding-top: max(16px, env(safe-area-inset-top, 16px));
  padding-bottom: 12px;
  padding-left: 16px;
  padding-right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-canvas);
  border-bottom: 1.8px solid var(--border-dark);
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.logo-box {
  width: 32px;
  height: 32px;
  background: var(--border-dark);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  box-shadow: 0 2px 0 var(--border-dark);
}

.header-titles {
  display: flex;
  flex-direction: column;
}

.header-brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.3px;
  line-height: 1.1;
}

.header-sub-tag {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
}

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

.btn-header-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1.6px solid var(--border-dark);
  background: #FFFFFF;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 0 var(--border-dark);
  font-size: 15px;
  font-weight: 800;
  transition: transform 0.1s;
}

.btn-header-icon:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.btn-header-icon.active-green {
  background: #EAF4EC;
  color: #177C3E;
  border-color: #177C3E;
}

/* === hub.css === */
/* =========================================
   MAIN CONTENT & PANELS
   ========================================= */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.view-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
  gap: 12px;
  animation: panelFadeIn 0.2s ease;
}

#view-idioms-card,
#view-ows-card,
#view-cluster {
  padding-top: max(18px, env(safe-area-inset-top, 18px));
}

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

.neocard {
  background: var(--bg-card);
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 3px 0 var(--border-dark);
}

/* =========================================
   1. HOME SCREEN
   ========================================= */
.hero-summary-card {
  background: #FFFFFF;
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: 0 3px 0 var(--border-dark);
  text-align: center;
}

.hero-pill-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: #EAF4EC;
  color: #177C3E;
  border: 1.2px solid #99CAA1;
  margin-bottom: 6px;
}

.hero-headline {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

.hero-subtext {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
  margin-bottom: 14px;
}

.home-levels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 6px;
}

.home-stat-box {
  border: 1.2px solid var(--border-dark);
  border-radius: 10px;
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 1.5px 0 var(--border-dark);
  cursor: pointer;
  transition: transform 0.1s;
}

.home-stat-box:active {
  transform: translateY(1px);
}

.home-stat-box.box-l1 { background: var(--lvl1-bg); color: var(--lvl1-text); }
.home-stat-box.box-l2 { background: var(--lvl2-bg); color: var(--lvl2-text); }
.home-stat-box.box-l3 { background: var(--lvl3-bg); color: var(--lvl3-text); }
.home-stat-box.box-grad { background: var(--grad-bg); color: var(--grad-text); }

.home-stat-label {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
}

.home-stat-count {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin: 2px 0 1px;
}

.home-stat-sub {
  font-size: 8.5px;
  font-weight: 700;
  opacity: 0.85;
  text-transform: uppercase;
}

.home-actions-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.action-btn-main {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-lg);
  box-shadow: 0 3px 0 var(--border-dark);
  cursor: pointer;
  text-align: left;
  transition: transform 0.1s;
}

.action-btn-main:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.btn-start-study {
  background: var(--btn-green);
  color: #FFFFFF;
}

.btn-see-words-catalog {
  background: #FFFFFF;
  color: var(--text-main);
}

.btn-random-mode {
  background: #F0EEFF;
  color: #4A1FA0;
  border-color: #4A1FA0;
}

.action-btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1.5px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: #FFFFFF;
  color: var(--text-main);
  box-shadow: 0 2px 0 var(--border-dark);
  flex-shrink: 0;
}

.action-btn-text h4 {
  font-size: 16px;
  font-weight: 800;
}

.action-btn-text p {
  font-size: 11.5px;
  opacity: 0.9;
  margin-top: 2px;
}

.study-tip-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: 0 2px 0 var(--border-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tip-icon { font-size: 20px; }
.tip-text { font-size: 12px; color: var(--text-muted); line-height: 1.35; }

/* =========================================
   2. LEVEL SELECTION SCREEN
   ========================================= */
.section-intro-bar h3 {
  font-size: 19px;
  font-weight: 800;
}

.section-intro-bar p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.levels-choice-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.level-row-card {
  background: #FFFFFF;
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 15px 16px;
  box-shadow: 0 3px 0 var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}

.level-row-card:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 var(--border-dark);
}

.level-card-left { flex: 1; }

.level-badge-chip {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1.2px solid var(--border-dark);
  margin-bottom: 4px;
}

.pill-l1 { background: var(--lvl1-bg); color: var(--lvl1-text); }
.pill-l2 { background: var(--lvl2-bg); color: var(--lvl2-text); }
.pill-l3 { background: var(--lvl3-bg); color: var(--lvl3-text); }

.level-row-title {
  font-size: 15.5px;
  font-weight: 800;
}

.level-row-desc {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

.level-pill-badge-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
}

.badge-count-pill {
  font-size: 11.5px;
  font-weight: 800;
  background: var(--bg-canvas);
  border: 1.2px solid var(--border-dark);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.btn-study-arrow {
  background: var(--btn-green);
  color: #FFFFFF;
  border: 1.2px solid var(--border-dark);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 1.5px 0 var(--border-dark);
  cursor: pointer;
}

.empty-level-banner {
  background: #FFFFFF;
  border: 1.5px dashed var(--border-dark);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
}

.btn-small-link {
  margin-top: 8px;
  background: var(--btn-green);
  color: #FFFFFF;
  border: 1.2px solid var(--border-dark);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
}


/* =========================================
   MASTER HUB VIEW (#view-hub)
   ========================================= */
.hub-hero-card {
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: 0 4px 0 var(--border-dark);
  margin-bottom: 16px;
  text-align: left;
}

.hub-modules-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hub-module-card {
  background: #FFFFFF;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--border-dark);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
  overflow: hidden;
}

.hub-module-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--border-dark);
}

.hub-module-card:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--border-dark);
}

.hub-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 2px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  box-shadow: 0 2px 0 var(--border-dark);
}

.card-mod-synonyms .hub-card-icon {
  background: #DCFCE7;
}

.card-mod-ows .hub-card-icon {
  background: #FEF3C7;
}

.card-mod-idioms .hub-card-icon {
  background: #E0E7FF;
}

.hub-card-content {
  flex: 1;
  min-width: 0;
}

.hub-card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 4px;
}

.hub-card-title {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.hub-card-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-dark);
  background: var(--bg-cream);
  color: var(--text-main);
  white-space: nowrap;
  flex-shrink: 0;
}

.card-mod-synonyms .hub-card-badge {
  background: #DCFCE7;
  color: #14532D;
}

.card-mod-ows .hub-card-badge {
  background: #FEF3C7;
  color: #78350F;
}

.card-mod-idioms .hub-card-badge {
  background: #F3F4F6;
  color: #4B5563;
}

.hub-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

.hub-card-arrow {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-muted);
  padding-right: 4px;
}

/* Module Top Nav (Back to Hub) */
.module-top-nav {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.btn-module-back {
  background: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: 0 2px 0 var(--border-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-module-back:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--border-dark);
}


/* =========================================
   HUB BOTTOM ACTION & NAVIGATION BAR
   ========================================= */
.hub-bottom-bar {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1.5px solid var(--border-subtle);
}

.btn-hub-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1.8px solid var(--border-dark);
  background: var(--bg-card);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--border-dark);
  transition: all 0.15s ease;
}

.btn-hub-action:active {
  transform: translateY(1.5px);
  box-shadow: 0 1.5px 0 var(--border-dark);
}

[data-theme="dark"] .btn-hub-action {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
  box-shadow: 0 3px 0 #20242e;
}

[data-theme="dark"] .btn-hub-action:hover {
  border-color: #f6c453;
  background: #1f232d;
}

/* === study.css === */
/* =========================================
   3. STUDY FLASHCARD SCREEN
   ========================================= */
.study-meta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}

.study-level-tag {
  background: #FFFFFF;
  border: 1.2px solid var(--border-dark);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  color: var(--text-main);
  font-size: 11px;
  box-shadow: 0 1.5px 0 var(--border-dark);
}

.swipe-hint-pill {
  font-size: 10.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.study-card-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  touch-action: pan-y;
  cursor: pointer;
}

/* Word Main Card */
.word-main-card {
  background: var(--bg-card);
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 15px 16px 16px;
  box-shadow: 0 3px 0 var(--border-dark);
  display: flex;
  flex-direction: column;
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.word-heading-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.target-word-text {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
  word-break: break-word;
}

.pos-pill {
  border: 1.2px solid var(--border-dark);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 700;
  background: #F7F5EE;
}

.arrow-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.arrow-btn {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--border-dark);
  background: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 2px 0 var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 800;
  font-size: 13px;
  transition: all 0.1s;
}

.arrow-btn:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.arrow-btn:disabled {
  opacity: 0.35;
  background: #EDECE6;
  border-color: #AFAEA8;
  box-shadow: none;
  cursor: not-allowed;
}

.arrow-btn-down {
  background: #EAF4EC;
  color: #177C3E;
}

.word-meaning-text {
  font-size: 13px;
  color: #333333;
  line-height: 1.4;
  margin-top: 2px;
}

.word-hindi-text {
  font-family: var(--font-hindi);
  font-size: 14.5px;
  font-weight: 600;
  color: #1B5E20;
  margin-top: 4px;
}

/* Dedicated Memory Trick Box */
.trick-box-container {
  background: #FFFBEB;
  border: 1.4px solid #D97706;
  border-radius: 10px;
  padding: 9px 12px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.trick-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.trick-tag-label {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  color: #92400E;
  letter-spacing: 0.6px;
}

.btn-add-trick-sm {
  background: #FFFFFF;
  border: 1.2px solid #D97706;
  color: #92400E;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 10.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 1px 0 #D97706;
}

.btn-add-trick-sm:active {
  transform: scale(0.95);
}

.trick-text-body {
  font-size: 12px;
  color: #78350F;
  line-height: 1.35;
}

.tap-hint-pill {
  margin-top: 10px;
  align-self: center;
  background: #F7F5EE;
  border: 1px dashed var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
}

/* TWO SEPARATE BOXES (Synonyms & Antonyms) */
.vocab-box {
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 13px 15px;
  box-shadow: 0 3px 0 var(--border-dark);
  display: flex;
  flex-direction: column;
  gap: 9px;
  animation: boxSlideDown 0.22s ease;
}

@keyframes boxSlideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.vocab-box-syn { background: var(--box-syn-bg); }
.vocab-box-ant { background: var(--box-ant-bg); }

.box-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.box-title-label {
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.vocab-box-syn .box-title-label { color: #1B5E20; }
.vocab-box-ant .box-title-label { color: #9A231A; }

.box-square-dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  display: inline-block;
}
.vocab-box-syn .box-square-dot { background: #1B5E20; }
.vocab-box-ant .box-square-dot { background: #9A231A; }

.box-count-badge {
  font-size: 11px;
  font-weight: 700;
  color: inherit;
}

/* Side-by-Side Wrapping Chips (Takes only needed space!) */
.chips-flow-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.word-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px 4px 10px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.1s;
}

.chip-word-text {
  cursor: pointer;
  display: inline-block;
  padding: 2px 2px;
}

.chip-word-text:active {
  opacity: 0.65;
}

.word-chip-syn {
  background: var(--chip-syn-bg);
  border: 1.2px solid var(--chip-syn-border);
  color: var(--chip-syn-text);
}

.word-chip-ant {
  background: var(--chip-ant-bg);
  border: 1.2px solid var(--chip-ant-border);
  color: var(--chip-ant-text);
}

.chip-add-btn {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.12);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: inherit;
  cursor: pointer;
  transition: transform 0.1s, background 0.1s;
}

.chip-add-btn:active {
  transform: scale(1.25);
  background: rgba(0, 0, 0, 0.28);
}

.btn-box-append {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1.2px dashed var(--border-dark);
  background: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
}


/* =========================================
   SWIPE GESTURE TOAST NOTIFICATION
   ========================================= */
.swipe-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #181b22;
  color: #f0f2f5;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  border: 1.8px solid #22c55e;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 9999;
}

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

.swipe-toast.toast-lvl3 {
  border-color: #f6c453;
  color: #f6c453;
}

/* === folders.css === */
/* =========================================
   6. FOLDER SYSTEM STYLES
   ========================================= */
.folders-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.folders-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.folders-view-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.folders-total-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: #E8E5DD;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.btn-create-folder {
  background: var(--btn-green);
  color: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 5px 13px;
  font-size: 11.5px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 2px 0 var(--border-dark);
  transition: all 0.1s;
}

.btn-create-folder:active {
  transform: translateY(1.5px);
  box-shadow: none;
}

.folders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 10px;
  padding-bottom: 24px;
}

.folder-card {
  background: var(--bg-card);
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px 12px 10px;
  box-shadow: 0 2.5px 0 var(--border-dark);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 82px;
  position: relative;
  transition: transform 0.08s, box-shadow 0.08s;
  user-select: none;
  -webkit-user-select: none;
}

.folder-card:active {
  transform: translateY(1.5px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.folder-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.folder-icon {
  font-size: 24px;
  line-height: 1;
}

.folder-btn-options {
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 900;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  border-radius: 4px;
}

.folder-btn-options:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text-main);
}

.folder-card-bottom {
  margin-top: 8px;
}

.folder-card-name {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.folder-card-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 2px;
  display: block;
}

/* Inside Folder Navigation */
.lib-folder-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.btn-folder-back {
  background: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
}

.btn-folder-back:active {
  transform: translateY(1px);
}

.lib-folder-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.lib-folder-current-name {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.lib-folder-count-pill {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--btn-green);
}

.btn-folder-add-word {
  background: var(--btn-green);
  color: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
  white-space: nowrap;
}

.btn-folder-add-word:active {
  transform: translateY(1px);
}

/* Move Word Modal Options */
.move-folder-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  margin-top: 8px;
  padding-right: 4px;
}

.move-folder-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
  transition: background 0.1s;
}

.move-folder-item:hover, .move-folder-item:active {
  background: #F0FDF4;
  border-color: var(--btn-green);
}

.move-folder-item.current-folder-item {
  background: #DCFCE7;
  border-color: var(--btn-green);
}

/* === library.css === */
/* =========================================
   4. "SEE WORDS" / DEEP SEARCH CATALOG
   ========================================= */
.search-input-box {
  background: #FFFFFF;
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  box-shadow: 0 3px 0 var(--border-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-icon { font-size: 14px; }

.search-input-box input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
  user-select: text;
}

.icon-btn-clear {
  background: rgba(0, 0, 0, 0.08);
  border: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 11px;
  cursor: pointer;
}

.search-helper-text {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}

.lib-results-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  padding-bottom: 24px;
}

.lib-item-card {
  background: #FFFFFF;
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: 0 2.5px 0 var(--border-dark);
  cursor: pointer;
  transition: transform 0.1s;
}

.lib-item-card:active {
  transform: translateY(1px);
}

.lib-item-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.lib-word-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
}

.lib-match-badge {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  color: #176527;
  background: #E8F5E9;
  border: 1px solid #81C784;
  padding: 2px 7px;
  border-radius: 4px;
  margin-top: 5px;
}

/* === cluster.css === */
/* =========================================
   5. CLUSTER DETAIL SCREEN
   ========================================= */
.cluster-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-link-back {
  background: transparent;
  border: none;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
}

.btn-add-entire-cluster {
  background: var(--btn-green);
  color: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 800;
  box-shadow: 0 2px 0 var(--border-dark);
  cursor: pointer;
}

.cluster-info-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cluster-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.cluster-main-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
}

.cluster-words-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.cluster-sec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.syn-label { color: #1B5E20; }
.ant-label { color: #9A231A; }
.chip-count-txt { font-size: 11px; font-weight: 700; color: var(--text-muted); }

/* Cluster Folder Pager */
.cluster-folder-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--bg-card);
  border: 1.6px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  box-shadow: 0 2px 0 var(--border-dark);
}

.btn-cluster-nav-arrow {
  background: #FFFFFF;
  border: 1.4px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: 0 1px 0 var(--border-dark);
  transition: transform 0.1s;
}

.btn-cluster-nav-arrow:active {
  transform: translateY(1px);
}

.btn-cluster-nav-arrow:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.cluster-pager-text {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
}

/* === ows-idioms.css === */
/* =========================================
   ONE WORD SUBSTITUTION (OWS) MODULE
   ========================================= */
/* OWS Folders Grid */
.ows-folders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 14px;
  padding-bottom: 20px;
}

@media (min-width: 480px) {
  .ows-folders-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ows-folder-card {
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: 0 3px 0 var(--border-dark);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  display: flex;
  flex-direction: column;
}

.ows-folder-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 0 var(--border-dark);
}

.ows-folder-card:active {
  transform: translateY(1px);
  box-shadow: 0 1.5px 0 var(--border-dark);
}

.ows-folder-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ows-folder-letter-badge {
  width: 34px;
  height: 34px;
  background: #FEF3C7;
  border: 1.8px solid var(--border-dark);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  color: #78350F;
  box-shadow: 0 1.5px 0 var(--border-dark);
}

.ows-folder-count-pill {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}

.ows-folder-name {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 8px;
}

/* OWS Words List */
.ows-words-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
  padding-bottom: 20px;
}

.ows-word-item-card {
  background: var(--bg-card);
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: 0 2.5px 0 var(--border-dark);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.ows-word-item-card:hover {
  transform: translateY(-1px);
}

.ows-word-item-card:active {
  transform: translateY(1px);
}

.ows-word-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ows-item-word-text {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-main);
}

.item-add-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1.5px solid var(--border-dark);
  color: var(--text-main);
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
  line-height: 1;
  transition: transform 0.1s, background 0.1s;
  user-select: none;
  flex-shrink: 0;
}

.item-add-btn:active {
  transform: scale(1.18);
}

.ows-item-pos-pill {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--bg-canvas);
  border: 1px solid var(--border-dark);
  color: var(--text-muted);
}

.ows-item-hindi-text {
  font-family: var(--font-hindi);
  font-size: 13px;
  font-weight: 600;
  color: #1B5E20;
  margin-top: 2px;
}

.ows-item-def-snippet {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.35;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* OWS Reader & Card View */
.ows-reader-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.ows-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-back-folder {
  background: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
}

.btn-back-folder:active {
  transform: translateY(1px);
}

.ows-card-progress {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  background: #FFFFFF;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-dark);
}

.ows-main-card {
  background: #FFFFFF;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  box-shadow: 0 6px 0 var(--border-dark);
  display: flex;
  flex-direction: column;
  gap: 16px;
  user-select: none;
}

/* Prominent Definition Box */
.ows-definition-box {
  background: #FDF6E2;
  border: 1.8px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: 0 2px 0 var(--border-dark);
}

.ows-def-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: #78350F;
  margin-bottom: 4px;
}

.ows-def-quote {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-main);
  font-style: italic;
}

/* Target Word Banner */
.ows-target-word-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1.5px solid var(--border-subtle);
  padding-bottom: 12px;
}

.ows-target-word {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.ows-target-pos {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: #FEF3C7;
  border: 1.2px solid var(--border-dark);
  color: #78350F;
}

.ows-target-hindi {
  font-family: var(--font-hindi);
  font-size: 17px;
  font-weight: 700;
  color: #15803D;
  margin-left: auto;
}

/* OWS Examples Box */
.ows-examples-box {
  background: #F8FAFC;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.ows-examples-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.ows-example-item {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  color: #334155;
  padding-left: 8px;
  border-left: 2px solid #94A3B8;
}

/* OWS Meta & Static Tags */
.ows-meta-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.static-tag-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.static-tag {
  background: #F1F5F9;
  border: 1.2px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: #334155;
  cursor: default;
  pointer-events: none; /* strictly non-clickable */
  user-select: text;
}

/* Bottom Nav Row for OWS */
.ows-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
}

.btn-ows-nav-arrow {
  background: #FFFFFF;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-main);
  box-shadow: 0 3px 0 var(--border-dark);
  cursor: pointer;
  transition: transform 0.1s;
  flex: 1;
  text-align: center;
}

.btn-ows-nav-arrow:active {
  transform: translateY(1.5px);
  box-shadow: 0 1.5px 0 var(--border-dark);
}

.ows-swipe-hint {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
}

/* === modals.css === */
/* =========================================
   BOTTOM SHEET & MODALS
   ========================================= */
.level-modal-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  animation: fadeInOverlay 0.15s ease;
}

@keyframes fadeInOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}

.level-modal-sheet {
  background: #FFFFFF;
  border-top: 2.5px solid var(--border-dark);
  border-radius: 24px 24px 0 0;
  padding: 18px 18px 24px;
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.2);
  animation: sheetSlideUp 0.2s ease;
}

@keyframes sheetSlideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.sheet-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sheet-title {
  font-size: 15.5px;
  font-weight: 800;
}

.sheet-close-x {
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  padding: 4px;
}

.sheet-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.sheet-btn-row {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.sheet-level-btn {
  flex: 1;
  padding: 12px 6px;
  border: 1.8px solid var(--border-dark);
  border-radius: 12px;
  box-shadow: 0 2px 0 var(--border-dark);
  font-weight: 800;
  font-size: 12.5px;
  cursor: pointer;
  text-align: center;
}

.sheet-level-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.btn-lvl-1 { background: var(--lvl1-bg); color: var(--lvl1-text); }
.btn-lvl-2 { background: var(--lvl2-bg); color: var(--lvl2-text); }
.btn-lvl-3 { background: var(--lvl3-bg); color: var(--lvl3-text); }

/* CREATE CUSTOM WORD MODAL */
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 120;
}

.modal-card {
  background: #FFFFFF;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 0 var(--border-dark);
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  padding: 12px 16px;
  border-bottom: 1.5px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 { font-size: 16px; font-weight: 800; }
.modal-close-btn { background: transparent; border: none; font-size: 16px; cursor: pointer; }

.modal-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 65vh;
  overflow-y: auto;
}

.form-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-item label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-item input,
.form-item select,
.form-item textarea {
  border: 1.5px solid var(--border-dark);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  user-select: text;
}

.form-item input:focus,
.form-item select:focus,
.form-item textarea:focus {
  border-color: #2563eb;
}

.form-row { display: flex; gap: 8px; }
.form-item.half { flex: 1; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.checkbox-label input { accent-color: var(--btn-green); }

.modal-footer {
  padding: 10px 16px;
  border-top: 1.5px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn-secondary-card {
  background: transparent;
  border: 1.5px solid var(--border-dark);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary-green {
  background: var(--btn-green);
  color: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

/* Toast Bubble */
.toast-bubble {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--border-dark);
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  z-index: 200;
  white-space: nowrap;
  animation: toastPop 0.2s ease;
}

@keyframes toastPop {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Tall bottom sheet for create/edit modal */
.modal-sheet-tall {
  max-height: 88vh;
  overflow-y: auto;
}

.modal-sheet-tall .modal-body {
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-sheet-tall .modal-footer {
  padding: 10px 0 0 0;
  border-top: 1.5px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

/* Long-press action sheet buttons */
.action-sheet-btn {
  width: 100%;
  padding: 14px 16px;
  border: 1.8px solid var(--border-dark);
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  box-shadow: 0 2px 0 var(--border-dark);
  transition: transform 0.1s;
}

.action-sheet-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.btn-edit-word {
  background: #EAF4EC;
  color: #177C3E;
}

.btn-delete-word {
  background: #FDF0ED;
  color: #9A231A;
}

/* Random mode — hide level arrows */
.random-mode-active .arrow-controls {
  visibility: hidden;
  pointer-events: none;
}

/* Backup and Restore Action Buttons */
.btn-backup-download {
  background: #EBF3FD;
  color: #10529A;
  border-color: #10529A;
}

.btn-backup-restore {
  background: #FEF7EA;
  color: #8C5900;
  border-color: #8C5900;
}

/* Cluster Title Inline Edit Button */
.btn-cluster-edit {
  background: #FFFFFF;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-cluster-edit:active {
  transform: translateY(1px);
}

/* Library Filter Bar */
.lib-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 10px;
}

.lib-filter-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
}

.lib-filter-pill {
  background: var(--bg-card);
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-pill);
  padding: 4px 11px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: 0 1.5px 0 var(--border-dark);
  transition: all 0.1s;
}

.lib-filter-pill.active-filter {
  background: var(--border-dark);
  color: #FFFFFF;
}

.lib-filter-pill:active {
  transform: translateY(1px);
}

/* JSON Import Button in Modal */
.btn-json-import {
  background: #F0EEFF !important;
  color: #5B21B6 !important;
  border-color: #5B21B6 !important;
  font-weight: 800;
}

/* Safe Area top spacing for immersion views */
#view-study.view-panel {
  padding-top: calc(14px + env(safe-area-inset-top, 24px));
}

#view-cluster.view-panel {
  padding-top: calc(14px + env(safe-area-inset-top, 24px));
}

/* === theme-dark.css === */
/* =========================================
   DARK MODE SELECTORS & COMPONENT OVERRIDES
   ========================================= */
[data-theme="dark"] body {
  background-color: #08090b;
}

[data-theme="dark"] #app-container {
  background-color: #0f1115;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
  border: 1px solid #1f232d;
}

[data-theme="dark"] .target-word-text {
  color: #f6c453 !important;
}

[data-theme="dark"] .app-header {
  background-color: #12141a;
  border-bottom: 1.8px solid #20242e;
}

[data-theme="dark"] .logo-box {
  background: #f6c453;
  color: #0f1115;
  border-color: #f6c453;
  box-shadow: 0 2px 0 #d99f2b;
}

[data-theme="dark"] .btn-header-icon {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
  box-shadow: 0 2px 0 #282c37;
}

[data-theme="dark"] .btn-header-icon:hover {
  background: #222631;
}

[data-theme="dark"] .hub-hero-card,
[data-theme="dark"] .hero-summary-card {
  background: linear-gradient(135deg, #181b24 0%, #1e222e 100%);
  border-color: #2a2e3a;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .hero-headline {
  color: #f0f2f5;
}

[data-theme="dark"] .hero-subtext {
  color: #9aa0a6;
}

[data-theme="dark"] .hub-module-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 3px 0 #20242e;
}

[data-theme="dark"] .hub-module-card:hover,
[data-theme="dark"] .hub-module-card:active {
  border-color: #f6c453;
  background: #1c202a;
}

[data-theme="dark"] .hub-card-title {
  color: #f0f2f5;
}

[data-theme="dark"] .hub-card-desc {
  color: #9aa0a6;
}

[data-theme="dark"] .home-stat-box {
  background: #1c202b;
  border-color: #282c38;
  box-shadow: 0 2px 0 #20242e;
}

[data-theme="dark"] .action-btn-main {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
  box-shadow: 0 3px 0 #20242e;
}

[data-theme="dark"] .action-btn-main h4 {
  color: #f0f2f5;
}

[data-theme="dark"] .action-btn-main p {
  color: #9aa0a6;
}

[data-theme="dark"] .btn-start-study {
  background: linear-gradient(135deg, #132b1e 0%, #163826 100%);
  border-color: #22c55e;
}

[data-theme="dark"] .word-main-card,
[data-theme="dark"] .ows-main-card,
[data-theme="dark"] .neocard {
  background: #181b22;
  border-color: #2a2e39;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .level-row-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 3px 0 #20242e;
}

[data-theme="dark"] .level-row-card:hover {
  border-color: #f6c453;
}

[data-theme="dark"] .level-modal-sheet {
  background: #181b22;
  border-color: #2a2e39;
  color: #f0f2f5;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #13151b;
  border-color: #282c37;
  color: #f0f2f5;
}

[data-theme="dark"] .search-input-box {
  background: #181b22;
  border-color: #282c37;
}

[data-theme="dark"] .search-input-box input {
  background: transparent;
  color: #f0f2f5;
}

[data-theme="dark"] .folder-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 3px 0 #20242e;
}

[data-theme="dark"] .folder-card:hover {
  border-color: #f6c453;
}

[data-theme="dark"] .folder-card-name {
  color: #f0f2f5;
}

[data-theme="dark"] .lib-item-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 2px 0 #20242e;
}

[data-theme="dark"] .lib-item-card:hover {
  border-color: #f6c453;
}

[data-theme="dark"] .lib-item-word {
  color: #f0f2f5;
}

[data-theme="dark"] .study-meta-strip,
[data-theme="dark"] .module-top-nav,
[data-theme="dark"] .lib-folder-nav {
  border-bottom: 1.5px solid #222631;
}

[data-theme="dark"] .trick-box-container {
  background: #1c1a14;
  border-color: #443719;
}

[data-theme="dark"] .trick-tag-label {
  color: #f6c453;
}

[data-theme="dark"] .trick-text-body {
  color: #d1d5db;
}

[data-theme="dark"] .pos-pill,
[data-theme="dark"] .pos-badge {
  background: #252a35;
  color: #e5e7eb;
  border-color: #373e4e;
}

[data-theme="dark"] .ows-definition-box,
[data-theme="dark"] .ows-examples-box,
[data-theme="dark"] .ows-meta-box {
  background: #13151b;
  border-color: #282c37;
}

[data-theme="dark"] .ows-example-item {
  color: #f1f5f9;
  border-left-color: #60a5fa;
}

[data-theme="dark"] .ows-definition-text,
[data-theme="dark"] .ows-def-quote {
  color: #f1f5f9;
}

[data-theme="dark"] .ows-item-word-text {
  color: #f8fafc;
}

[data-theme="dark"] .ows-item-def-snippet {
  color: #cbd5e1;
}

[data-theme="dark"] .item-add-btn {
  background: #1e2430;
  border-color: #3b4252;
  color: #4ade80;
  box-shadow: 0 1.5px 0 #11141a;
}

[data-theme="dark"] .item-add-btn:active {
  background: #252d3d;
}

[data-theme="dark"] .static-tag {
  background: #1a1e28;
  border-color: #2c3242;
  color: #cbd5e1;
}

[data-theme="dark"] .btn-ows-nav-arrow,
[data-theme="dark"] .btn-cluster-nav-arrow {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
  box-shadow: 0 2px 0 #20242e;
}

[data-theme="dark"] .cluster-folder-pager {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 2px 0 #20242e;
}

[data-theme="dark"] .study-tip-card {
  background: #181b22;
  border-color: #282c37;
}

[data-theme="dark"] .study-tip-card .tip-text {
  color: #9aa0a6;
}

[data-theme="dark"] .btn-secondary-card {
  background: #1c202a;
  border-color: #282c37;
  color: #f0f2f5;
}

[data-theme="dark"] .btn-module-back,
[data-theme="dark"] .btn-folder-back,
[data-theme="dark"] .btn-link-back {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
}

/* =========================================
   HUB BOTTOM ACTION & NAVIGATION BAR
   ========================================= */
.hub-bottom-bar {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1.5px solid var(--border-subtle);
}

.btn-hub-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1.8px solid var(--border-dark);
  background: var(--bg-card);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--border-dark);
  transition: all 0.15s ease;
}

.btn-hub-action:active {
  transform: translateY(1.5px);
  box-shadow: 0 1.5px 0 var(--border-dark);
}

[data-theme="dark"] .btn-hub-action {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
  box-shadow: 0 3px 0 #20242e;
}

[data-theme="dark"] .btn-hub-action:hover {
  border-color: #f6c453;
  background: #1f232d;
}

/* =========================================
   SWIPE GESTURE TOAST NOTIFICATION
   ========================================= */
.swipe-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #181b22;
  color: #f0f2f5;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  border: 1.8px solid #22c55e;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 9999;
}

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

.swipe-toast.toast-lvl3 {
  border-color: #f6c453;
  color: #f6c453;
}

/* =========================================
   DARK MODE — COMPREHENSIVE FIXES PASS 2
   ========================================= */

/* OWS Folder cards */
[data-theme="dark"] .ows-folder-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 3px 0 #20242e;
}
[data-theme="dark"] .ows-folder-card:hover {
  border-color: #f6c453;
}
[data-theme="dark"] .ows-folder-letter-badge {
  background: #2c2a1a;
  border-color: #443a18;
  color: #f6c453;
}
[data-theme="dark"] .ows-folder-count-pill {
  color: #8b95a9;
}
[data-theme="dark"] .ows-folder-name {
  color: #f0f2f5;
}

/* OWS Word item cards */
[data-theme="dark"] .ows-word-item-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 2px 0 #20242e;
}
[data-theme="dark"] .ows-word-item-card:hover {
  border-color: #f6c453;
}
[data-theme="dark"] .ows-item-word-text {
  color: #f0f2f5;
}
[data-theme="dark"] .ows-item-pos-pill {
  background: #1f232d;
  border-color: #2f3545;
  color: #8b95a9;
}
[data-theme="dark"] .ows-item-hindi-text {
  color: #22c55e;
}
[data-theme="dark"] .ows-item-definition-text {
  color: #d1d5db;
}

/* Idiom folder cards (same grid class) */
[data-theme="dark"] .idiom-folder-card,
[data-theme="dark"] .letter-folder-card {
  background: #181b22;
  border-color: #282c37;
  box-shadow: 0 3px 0 #20242e;
}
[data-theme="dark"] .idiom-folder-card:hover,
[data-theme="dark"] .letter-folder-card:hover {
  border-color: #f6c453;
}
[data-theme="dark"] .folder-letter-badge {
  background: #2c2a1a;
  border-color: #443a18;
  color: #f6c453;
}

/* Library Sort / Filter pills */
[data-theme="dark"] .lib-filter-pill {
  background: #1c202a;
  border-color: #282c37;
  color: #d1d5db;
  box-shadow: 0 1.5px 0 #20242e;
}
[data-theme="dark"] .lib-filter-pill.active-filter {
  background: #f6c453;
  border-color: #f6c453;
  color: #0f1115;
}

/* Library list items — hindi & synonym count badge */
[data-theme="dark"] .lib-item-hindi {
  color: #22c55e;
}
[data-theme="dark"] .lib-item-syn-count,
[data-theme="dark"] .lib-item-ant-count,
[data-theme="dark"] .lib-item-badge {
  background: #1a2c1e;
  border-color: #22c55e;
  color: #86efac;
}

/* Synonym & Antonym chips — brighter text in dark mode */
[data-theme="dark"] .word-chip-syn {
  background: #0f2a1a;
  border-color: #22c55e;
  color: #ffffff;
}
[data-theme="dark"] .word-chip-ant {
  background: #2a0f13;
  border-color: #ef4444;
  color: #ffffff;
}

/* Study card meaning, hindi, definition text */
[data-theme="dark"] .word-meaning-text,
[data-theme="dark"] .study-meaning-text,
[data-theme="dark"] .cluster-meaning-text {
  color: #d1d5db;
}
[data-theme="dark"] .word-hindi-text,
[data-theme="dark"] .study-hindi-text,
[data-theme="dark"] .cluster-hindi-text {
  color: #22c55e;
}

/* Cluster detail view (word detail page) */
[data-theme="dark"] .cluster-card-main {
  background: #181b22;
  border-color: #282c37;
}
[data-theme="dark"] .cluster-word-text,
[data-theme="dark"] .cluster-target-word {
  color: #f6c453;
}
[data-theme="dark"] .cluster-definition {
  color: #d1d5db;
}

/* Synonyms / Antonyms section headers */
[data-theme="dark"] .section-label-syn {
  color: #22c55e;
}
[data-theme="dark"] .section-label-ant {
  color: #ef4444;
}

/* Study tap hint pill */
[data-theme="dark"] .tap-hint-pill {
  background: #1c202a;
  border-color: #282c37;
  color: #8b95a9;
}
[data-theme="dark"] .tap-hint-pill.revealed {
  background: #0f2a1a;
  border-color: #22c55e;
  color: #86efac;
}

/* Study meta strip (level indicator bar at top) */
[data-theme="dark"] .study-meta-strip {
  background: #0f1115;
}
[data-theme="dark"] .study-level-pill {
  background: #1c202a;
  border-color: #282c37;
  color: #d1d5db;
}
[data-theme="dark"] .study-progress-text {
  color: #8b95a9;
}

/* Modals */
[data-theme="dark"] .modal-overlay {
  background: rgba(0, 0, 0, 0.75);
}
[data-theme="dark"] .modal-sheet,
[data-theme="dark"] .modal-card {
  background: #181b22;
  border-color: #282c37;
}
[data-theme="dark"] .modal-title,
[data-theme="dark"] .modal-header h3 {
  color: #f0f2f5;
}

/* Deep search results */
[data-theme="dark"] .search-result-item {
  background: #181b22;
  border-color: #282c37;
}
[data-theme="dark"] .search-result-word {
  color: #f6c453;
}
[data-theme="dark"] .search-result-meaning {
  color: #9aa0a6;
}

/* Level progress rows */
[data-theme="dark"] .level-progress-bar-fill {
  background: linear-gradient(90deg, #22c55e, #16a34a);
}

/* Back navigation header strip */
[data-theme="dark"] .study-back-btn,
[data-theme="dark"] .btn-exit-study {
  background: #1c202a;
  border-color: #282c37;
  color: #f0f2f5;
}

/* Idiom word card in list view */
[data-theme="dark"] .idiom-list-card,
[data-theme="dark"] .idiom-item-card {
  background: #181b22;
  border-color: #282c37;
}
[data-theme="dark"] .idiom-word-text,
[data-theme="dark"] .idiom-title {
  color: #f6c453;
}
[data-theme="dark"] .idiom-hindi-text,
[data-theme="dark"] .idiom-hindi {
  color: #22c55e;
}
[data-theme="dark"] .idiom-meaning-text,
[data-theme="dark"] .idiom-meaning {
  color: #d1d5db;
}

/* OWS detail view */
[data-theme="dark"] .ows-word-title {
  color: #f6c453;
}
[data-theme="dark"] .ows-hindi-text {
  color: #22c55e;
}
[data-theme="dark"] .ows-definition-text {
  color: #d1d5db;
}
[data-theme="dark"] .ows-example-text {
  color: #9aa0a6;
}

/* Remaining missing elements — pass 3 */
[data-theme="dark"] .empty-level-banner {
  background: #181b22;
  border-color: #282c37;
}

[data-theme="dark"] .study-level-tag {
  background: #1c202a;
  border-color: #282c37;
  color: #d1d5db;
}

[data-theme="dark"] .btn-add-trick-sm {
  background: #1c1a14;
  border-color: #443719;
  color: #f6c453;
}

[data-theme="dark"] .btn-cluster-edit {
  background: #1c202a;
  border-color: #282c37;
  color: #d1d5db;
}

[data-theme="dark"] .btn-back-folder {
  background: #181b22;
  border-color: #282c37;
  color: #f0f2f5;
}

/* Tap hint/revealed pill — study screen */
[data-theme="dark"] #study-tap-hint,
[data-theme="dark"] .study-tap-hint {
  background: #1c202a;
  border-color: #282c37;
  color: #8b95a9;
}

/* Cluster View Dark Mode Enhancements */
[data-theme="dark"] .cluster-main-title {
  color: #f6c453;
}

[data-theme="dark"] .syn-label {
  color: #22c55e;
}

[data-theme="dark"] .ant-label {
  color: #ef4444;
}

[data-theme="dark"] .btn-box-append {
  background: #1c202a;
  border-color: #282c37;
  color: #d1d5db;
}

[data-theme="dark"] .btn-link-back {
  background: transparent !important;
  border: none !important;
  color: #f0f2f5 !important;
  padding: 4px 6px;
}

/* Library View Dark Mode Enhancements */
[data-theme="dark"] .lib-word-name {
  color: #f6c453;
}

[data-theme="dark"] .lib-match-badge {
  background: #14281c;
  border-color: #22c55e;
  color: #86efac;
}

/* Reader Hindi text styling */
.card-hindi-text {
  font-family: var(--font-hindi);
  font-size: 15px;
  font-weight: 600;
  color: #1b5e20;
  margin-bottom: 10px;
}

[data-theme="dark"] .card-hindi-text {
  color: #22c55e;
}