/* ===== CSS VARIABLES ===== */
:root {
  --bg: #0d0c0a;
  --bg-card: #151410;
  --bg-input: #1a1915;
  --bg-elevated: #1f1e1a;
  --gold: #c4a054;
  --gold-dim: rgba(196, 160, 84, 0.3);
  --gold-glow: rgba(196, 160, 84, 0.15);
  --cream: #f5f0e8;
  --cream-dim: rgba(245, 240, 232, 0.6);
  --cream-muted: rgba(245, 240, 232, 0.35);
  --red: #c0392b;
  --yellow: #f39c12;
  --green: #27ae60;
  --border: rgba(196, 160, 84, 0.15);
  --border-input: rgba(196, 160, 84, 0.25);
  --nav-height: 72px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font-display: 'Cormorant Garamond', serif;
  --font-ui: 'Jost', sans-serif;
  --max-w: 430px;
  --transition: 200ms ease-out;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-ui);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

#app {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* ===== SCREEN CONTAINER ===== */
#screen-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + 16px);
  scrollbar-width: none;
}

#screen-container::-webkit-scrollbar {
  display: none;
}

/* ===== SCREEN TRANSITIONS ===== */
.screen {
  min-height: 100%;
  animation: screenIn 220ms ease-out both;
}

@keyframes screenIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== BOTTOM NAV ===== */
#bottom-nav {
  position: relative;
  z-index: 100;
  height: calc(var(--nav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: rgba(13, 12, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  flex-shrink: 0;
}

.nav-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--cream-muted);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition), transform 0.1s ease;
  position: relative;
}

.nav-btn:active {
  transform: scale(0.92);
}

.nav-btn.active {
  color: var(--gold);
}

.nav-btn-center {
  position: relative;
}

.due-badge {
  position: absolute;
  top: 8px;
  right: calc(50% - 20px);
  background: var(--gold);
  color: var(--bg);
  border-radius: 999px;
  min-width: 18px;
  height: 18px;
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  font-family: var(--font-ui);
}

.due-badge.hidden {
  display: none;
}

/* ===== SCREEN LAYOUT ===== */
.screen-header {
  padding: 52px 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.back-btn {
  background: none;
  border: none;
  color: var(--cream-dim);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color var(--transition), background var(--transition), transform 0.1s ease;
  flex-shrink: 0;
  margin-left: -8px;
}

.back-btn:active {
  transform: scale(0.88);
  background: var(--gold-glow);
  color: var(--gold);
}

/* ===== HOME SCREEN ===== */
.home-header {
  padding: 56px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.home-logo {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.02em;
  line-height: 1;
  font-style: italic;
}

.home-progress-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--cream-dim);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), transform 0.1s ease;
}

.home-progress-btn:active {
  transform: scale(0.9);
  border-color: var(--gold);
  color: var(--gold);
}

.gold-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 20px 24px;
  opacity: 0.5;
}

.section-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-muted);
  padding: 0 24px 12px;
}

/* ===== TEXT CARDS ===== */
.texts-list {
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.text-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform 0.12s ease;
  position: relative;
  overflow: hidden;
}

.text-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.text-card:active {
  transform: scale(0.985);
  border-color: rgba(196, 160, 84, 0.35);
  background: var(--bg-elevated);
}

.text-card:active::before {
  opacity: 1;
}

.text-card-ring {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  position: relative;
}

.text-card-ring svg {
  width: 52px;
  height: 52px;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--bg-elevated);
  stroke-width: 3;
}

.ring-fill {
  fill: none;
  stroke: var(--gold);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.ring-percent {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  color: var(--cream-dim);
}

.text-card-info {
  flex: 1;
  min-width: 0;
}

.text-card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  color: var(--cream);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.text-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
}

.category-tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-glow);
  border: 1px solid var(--gold-dim);
  padding: 2px 7px;
  border-radius: 999px;
}

.line-count {
  font-size: 11px;
  color: var(--cream-muted);
  font-weight: 400;
}

.text-card-arrow {
  color: var(--cream-muted);
  opacity: 0.4;
  flex-shrink: 0;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  padding: 60px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.empty-state-icon {
  color: var(--gold);
  opacity: 0.4;
  margin-bottom: 8px;
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--cream-dim);
  font-style: italic;
  line-height: 1.4;
}

.empty-state-sub {
  font-size: 13px;
  color: var(--cream-muted);
  line-height: 1.6;
}

/* ===== FAB BUTTON ===== */
.fab {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + 20px);
  right: calc(max((100vw - var(--max-w)) / 2, 0px) + 20px);
  width: 56px;
  height: 56px;
  background: var(--gold);
  border: none;
  border-radius: 50%;
  color: var(--bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(196, 160, 84, 0.4);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  z-index: 95;
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
}

.fab:active {
  transform: scale(0.9);
  box-shadow: 0 2px 10px rgba(196, 160, 84, 0.3);
}

/* ===== DAILY PRACTICE BTN ===== */
.daily-practice-btn {
  margin: 16px 16px 8px;
  padding: 16px 24px;
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  width: calc(100% - 32px);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.daily-practice-btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.daily-count-pill {
  background: rgba(0, 0, 0, 0.2);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}

/* ===== ADD TEXT SCREEN ===== */
.add-screen {
  padding: 0 0 40px;
}

.add-form {
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-muted);
}

.title-input {
  background: none;
  border: none;
  border-bottom: 1px solid var(--border-input);
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  padding: 8px 0;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
  caret-color: var(--gold);
}

.title-input::placeholder {
  color: var(--cream-muted);
  font-style: italic;
}

.title-input:focus {
  border-bottom-color: var(--gold);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-pill {
  background: none;
  border: 1px solid var(--border-input);
  color: var(--cream-dim);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
}

.category-pill.active, .category-pill:active {
  background: var(--gold-glow);
  border-color: var(--gold);
  color: var(--gold);
}

.text-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 10px;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  padding: 14px 16px;
  width: 100%;
  min-height: 180px;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  caret-color: var(--gold);
}

.text-textarea::placeholder {
  color: var(--cream-muted);
  font-style: italic;
}

.text-textarea:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.preview-section {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.preview-lines {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.preview-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(196, 160, 84, 0.07);
  animation: fadeInUp 0.15s ease-out both;
}

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

.preview-num {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--gold);
  opacity: 0.6;
  min-width: 20px;
  text-align: right;
  flex-shrink: 0;
  font-weight: 500;
}

.preview-text {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--cream-dim);
  line-height: 1.5;
}

.save-btn {
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  padding: 16px 24px;
  width: 100%;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
  margin-top: 8px;
}

.save-btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.save-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== TEXT DETAIL SCREEN ===== */
.detail-header {
  padding: 52px 24px 16px;
}

.detail-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 500;
  color: var(--gold);
  line-height: 1.15;
  margin-top: 8px;
  font-style: italic;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.lines-container {
  padding: 0 24px;
  display: flex;
  flex-direction: column;
}

.line-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.05);
}

.line-num {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--gold);
  opacity: 0.5;
  min-width: 22px;
  text-align: right;
  flex-shrink: 0;
  padding-top: 3px;
  font-weight: 500;
}

.line-content {
  flex: 1;
}

.line-text {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.55;
  color: var(--cream);
}

.line-pronunciation {
  font-family: var(--font-ui);
  font-size: 12px;
  font-style: italic;
  color: var(--gold);
  opacity: 0.75;
  margin-top: 2px;
}

.line-translation {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--cream-muted);
  font-style: italic;
  margin-top: 3px;
  line-height: 1.4;
}

.add-translation-link {
  font-size: 11px;
  color: var(--gold);
  opacity: 0.5;
  cursor: pointer;
  margin-top: 4px;
  display: inline-block;
  font-family: var(--font-ui);
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: opacity var(--transition);
}

.add-translation-link:hover, .add-translation-link:active {
  opacity: 1;
}

.translation-input-wrap {
  margin-top: 6px;
  display: flex;
  gap: 8px;
}

.translation-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 6px;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 13px;
  font-style: italic;
  padding: 6px 10px;
  outline: none;
  transition: border-color var(--transition);
  caret-color: var(--gold);
}

.translation-input:focus {
  border-color: var(--gold-dim);
}

.translation-save-btn {
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease;
}

.translation-save-btn:active {
  transform: scale(0.92);
}

.pronunciation-edit-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 6px;
  color: var(--gold);
  font-family: var(--font-ui);
  font-size: 13px;
  font-style: italic;
  padding: 6px 10px;
  outline: none;
  transition: border-color var(--transition);
  caret-color: var(--gold);
}

.pronunciation-edit-input:focus {
  border-color: var(--gold-dim);
}

.mastery-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
}

.mastery-dot.new { background: var(--red); }
.mastery-dot.learning { background: var(--yellow); }
.mastery-dot.mastered { background: var(--green); }

.practice-modes-wrap {
  padding: 20px 24px 8px;
}

.practice-modes-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-muted);
  margin-bottom: 12px;
}

.practice-modes-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mode-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--cream-dim);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
  justify-content: center;
  white-space: nowrap;
}

.mode-btn.active, .mode-btn:active {
  background: var(--gold-glow);
  border-color: var(--gold);
  color: var(--gold);
}

.begin-practice-btn {
  margin: 16px 24px 0;
  padding: 16px;
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  width: calc(100% - 48px);
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.begin-practice-btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.delete-text-btn {
  margin: 20px 24px 0;
  background: none;
  border: 1px solid rgba(192, 57, 43, 0.3);
  color: rgba(192, 57, 43, 0.6);
  border-radius: 10px;
  padding: 12px;
  width: calc(100% - 48px);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--transition);
}

.delete-text-btn:active {
  background: rgba(192, 57, 43, 0.1);
  border-color: var(--red);
  color: var(--red);
}

/* ===== MASTERY LEGEND ===== */
.mastery-legend {
  display: flex;
  gap: 16px;
  padding: 12px 24px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--cream-muted);
  font-family: var(--font-ui);
}

/* ===== PRACTICE SCREEN ===== */
.practice-screen {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.practice-header {
  padding: 48px 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.practice-title {
  flex: 1;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--cream);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.practice-mode-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  flex-shrink: 0;
}

/* Progress bar */
.practice-progress-bar {
  height: 2px;
  background: var(--bg-elevated);
  flex-shrink: 0;
  position: relative;
}

.practice-progress-fill {
  height: 100%;
  background: var(--gold);
  transition: width 0.4s ease;
  border-radius: 1px;
}

/* MODE 1 — Progressive Hiding */
.mode1-content {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mode1-text-area {
  flex: 1;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.8;
  color: var(--cream);
}

.mode1-word {
  display: inline;
  transition: opacity 0.2s ease;
  cursor: default;
}

.mode1-word.hidden-word {
  color: var(--gold);
  opacity: 0.8;
  letter-spacing: 0.05em;
}

.mode1-controls {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  padding-bottom: 8px;
}

.mode1-hide-btn, .mode1-reset-btn {
  flex: 1;
  padding: 14px;
  border: none;
  border-radius: 10px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.mode1-hide-btn {
  background: var(--gold);
  color: var(--bg);
}

.mode1-reset-btn {
  background: var(--bg-elevated);
  color: var(--cream-dim);
  border: 1px solid var(--border);
}

.mode1-hide-btn:active, .mode1-reset-btn:active {
  transform: scale(0.96);
  opacity: 0.9;
}

.mode1-hint {
  font-size: 11px;
  color: var(--cream-muted);
  text-align: center;
  font-family: var(--font-ui);
}

/* MODE 2 — Fill in the blank */
.mode2-content {
  flex: 1;
  padding: 32px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.mode2-line-display {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.7;
  color: var(--cream);
  text-align: center;
  width: 100%;
}

.mode2-blank {
  display: inline-block;
  vertical-align: middle;
}

.mode2-blank input {
  background: none;
  border: none;
  border-bottom: 2px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 22px;
  width: 120px;
  text-align: center;
  outline: none;
  padding: 0 4px;
  caret-color: var(--gold);
  transition: border-color var(--transition);
}

.mode2-blank input.correct {
  color: var(--green);
  border-bottom-color: var(--green);
  animation: correctFlash 0.4s ease;
}

.mode2-blank input.wrong {
  color: var(--red);
  border-bottom-color: var(--red);
  animation: wrongShake 0.4s ease;
}

@keyframes correctFlash {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

@keyframes wrongShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.mode2-feedback {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  height: 20px;
  transition: color 0.2s ease;
  text-align: center;
}

.mode2-feedback.correct { color: var(--green); }
.mode2-feedback.wrong { color: var(--red); }

.mode2-submit-btn {
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  padding: 14px 40px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.mode2-submit-btn:active {
  transform: scale(0.95);
  opacity: 0.9;
}

.mode2-line-counter {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--cream-muted);
  letter-spacing: 0.08em;
  text-align: center;
}

/* MODE 3 — First Letter */
.mode3-content {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mode3-display {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.8;
  color: var(--cream-dim);
  text-align: center;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

.mode3-word-token {
  color: var(--cream-dim);
  transition: color 0.2s ease, background 0.2s ease;
  padding: 1px 2px;
  border-radius: 3px;
}

.mode3-word-token.revealed {
  color: var(--gold);
  background: var(--gold-glow);
}

.mode3-input-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mode3-input {
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 10px;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 16px;
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  caret-color: var(--gold);
  width: 100%;
}

.mode3-input:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.mode3-btn-row {
  display: flex;
  gap: 8px;
}

.mode3-hint-btn, .mode3-check-btn, .mode3-next-btn {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 10px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease;
}

.mode3-hint-btn {
  background: var(--bg-elevated);
  color: var(--cream-dim);
  border: 1px solid var(--border);
}

.mode3-check-btn {
  background: var(--gold);
  color: var(--bg);
}

.mode3-next-btn {
  background: var(--green);
  color: #fff;
}

.mode3-hint-btn:active, .mode3-check-btn:active, .mode3-next-btn:active {
  transform: scale(0.95);
}

.mode3-feedback {
  text-align: center;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  min-height: 20px;
}

.mode3-feedback.correct { color: var(--green); }
.mode3-feedback.wrong { color: var(--red); }

.mode3-line-counter {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--cream-muted);
  text-align: center;
}

/* MODE 4 — Meaning Recall */
.mode4-content {
  flex: 1;
  padding: 32px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mode4-meaning-display {
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
  color: var(--cream-dim);
  text-align: center;
  line-height: 1.6;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  background: var(--bg-card);
}

.mode4-input {
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 10px;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 16px;
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  caret-color: var(--gold);
  width: 100%;
  min-height: 60px;
  resize: none;
}

.mode4-input:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.mode4-compare-btn {
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  padding: 14px 40px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease;
  width: 100%;
}

.mode4-compare-btn:active {
  transform: scale(0.97);
}

.mode4-reveal {
  width: 100%;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--cream);
  line-height: 1.5;
  display: none;
  animation: fadeInUp 0.2s ease-out both;
}

.mode4-reveal.visible {
  display: block;
}

.mode4-grade-row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.mode4-grade-btn {
  flex: 1;
  padding: 10px 4px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease;
  letter-spacing: 0.04em;
}

.mode4-grade-btn:active {
  transform: scale(0.93);
}

.grade-forgot { background: rgba(192, 57, 43, 0.85); color: #fff; }
.grade-hard { background: rgba(243, 156, 18, 0.85); color: #000; }
.grade-good { background: rgba(196, 160, 84, 0.85); color: #000; }
.grade-perfect { background: rgba(39, 174, 96, 0.85); color: #fff; }

.mode4-no-translations {
  text-align: center;
  color: var(--cream-muted);
  font-family: var(--font-display);
  font-size: 17px;
  font-style: italic;
  padding: 40px 24px;
  line-height: 1.6;
}

.mode4-line-counter {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--cream-muted);
  letter-spacing: 0.08em;
}

/* MODE 5 — Full Recitation */
.mode5-content {
  flex: 1;
  padding: 40px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.mode5-title-display {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  color: var(--cream);
  text-align: center;
  font-style: italic;
  line-height: 1.3;
}

.mode5-timer {
  font-family: var(--font-ui);
  font-size: 32px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.mode5-reveal-btn {
  background: none;
  border: 1px solid var(--border-input);
  color: var(--cream-dim);
  border-radius: 10px;
  padding: 14px 40px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.mode5-reveal-btn:active {
  background: var(--gold-glow);
  border-color: var(--gold);
  color: var(--gold);
}

.mode5-text-reveal {
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.mode5-text-reveal.open {
  max-height: 2000px;
}

.mode5-text-inner {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.8;
  color: var(--cream-dim);
  margin-bottom: 20px;
}

.mode5-grade-section {
  width: 100%;
  display: none;
  flex-direction: column;
  gap: 12px;
}

.mode5-grade-section.visible {
  display: flex;
}

.mode5-grade-label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-muted);
  text-align: center;
}

.mode5-grade-row {
  display: flex;
  gap: 8px;
}

/* ===== PROGRESS SCREEN ===== */
.progress-screen {
  padding: 0 0 32px;
}

.progress-header {
  padding: 52px 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  color: var(--gold);
  font-style: italic;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 0 16px 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 16px;
  text-align: center;
}

.stat-card.wide {
  grid-column: 1 / -1;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.stat-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-muted);
  margin-top: 6px;
}

.flame-icon {
  font-size: 32px;
}

/* Donut chart */
.donut-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 20px;
}

.donut-svg {
  width: 120px;
  height: 120px;
  transform: rotate(-90deg);
}

.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.donut-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--cream-dim);
}

.donut-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Text breakdown list */
.breakdown-list {
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.breakdown-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.breakdown-title {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--cream);
  margin-bottom: 8px;
}

.breakdown-bar-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breakdown-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.breakdown-bar-fill {
  height: 100%;
  background: var(--gold);
  border-radius: 2px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.breakdown-pct {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--gold);
  font-weight: 500;
  min-width: 36px;
  text-align: right;
}

/* ===== DAILY PRACTICE SCREEN ===== */
.daily-screen {
  padding-bottom: 40px;
}

.daily-header {
  padding: 52px 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.daily-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 500;
  color: var(--gold);
  font-style: italic;
}

.daily-group {
  margin: 0 16px 16px;
}

.daily-group-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-muted);
  padding: 0 4px 8px;
}

.daily-line-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.daily-line-card:active {
  background: var(--bg-elevated);
  border-color: var(--gold-dim);
}

.daily-line-text {
  flex: 1;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--cream);
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.daily-line-source {
  font-family: var(--font-ui);
  font-size: 10px;
  color: var(--gold);
  opacity: 0.6;
  text-align: right;
  flex-shrink: 0;
}

.daily-empty {
  padding: 60px 40px;
  text-align: center;
}

.daily-empty-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  color: var(--cream-dim);
  font-style: italic;
  line-height: 1.4;
  margin-bottom: 12px;
}

.daily-empty-sub {
  font-size: 13px;
  color: var(--cream-muted);
  line-height: 1.6;
}

/* ===== TOAST ===== */
#toast-container {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + 20px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  pointer-events: none;
  max-width: calc(var(--max-w) - 32px);
  width: calc(100% - 32px);
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--cream);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 400;
  padding: 12px 16px;
  border-radius: 10px;
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  animation: toastIn 0.3s ease-out both;
  pointer-events: auto;
  text-align: center;
}

.toast.success {
  border-color: rgba(39, 174, 96, 0.4);
  color: var(--green);
}

.toast.error {
  border-color: rgba(192, 57, 43, 0.4);
  color: var(--red);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-8px) scale(0.95);
  }
}

/* ===== LOADING ===== */
.loading-pulse {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  gap: 8px;
}

.loading-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.4;
  animation: pulseDot 1.2s ease-in-out infinite;
}

.loading-dot:nth-child(2) { animation-delay: 0.2s; }
.loading-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulseDot {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 0.8; transform: scale(1.2); }
}

/* ===== COMPLETE SCREEN ===== */
.complete-screen {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 32px;
  text-align: center;
  gap: 20px;
}

.complete-icon {
  color: var(--gold);
  animation: completePop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes completePop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.complete-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  color: var(--cream);
  font-style: italic;
}

.complete-sub {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--cream-muted);
  line-height: 1.6;
}

.complete-home-btn {
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  padding: 16px 48px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease;
  margin-top: 12px;
}

.complete-home-btn:active {
  transform: scale(0.96);
}

/* ===== MISC ===== */
.screen-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  color: var(--cream);
  flex: 1;
}

.no-results {
  padding: 40px 24px;
  text-align: center;
  color: var(--cream-muted);
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
}

/* ===== SCROLLBAR STYLE ===== */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

*::-webkit-scrollbar {
  width: 3px;
}
*::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* ===== GRAIN TEXTURE OVERLAY ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: overlay;
}

/* ===== GUIDE SCREEN ===== */
.guide-screen {
  padding: 0 20px 40px;
}

.guide-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 0 12px;
}

.guide-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  font-style: italic;
  color: var(--gold);
}

.guide-intro {
  font-family: var(--font-display);
  font-size: 15px;
  font-style: italic;
  color: var(--cream-dim);
  text-align: center;
  line-height: 1.7;
  padding: 16px 8px 8px;
  margin: 0;
}

.guide-section {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-card);
}

.guide-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(196, 160, 84, 0.08);
  border-bottom: 1px solid var(--border);
}

.guide-section-icon {
  color: var(--gold);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.guide-section-title {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
}

.guide-list {
  list-style: none;
  margin: 0;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-item {
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cream-dim);
  padding-left: 16px;
  position: relative;
}

.guide-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
}

.guide-item strong {
  color: var(--cream);
  font-weight: 500;
}

.guide-footer {
  margin-top: 32px;
  text-align: center;
  padding: 20px;
}

.guide-footer p {
  font-family: var(--font-display);
  font-size: 14px;
  font-style: italic;
  color: var(--cream-muted);
  margin: 0;
}

/* ===== PRONUNCIATION SECTION (Add Screen) ===== */
.pronunciation-section {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.pronunciation-toggle {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--gold);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity var(--transition);
}

.pronunciation-toggle:active {
  opacity: 0.7;
}

.pronunciation-toggle svg {
  transition: transform 0.2s ease;
}

.pronunciation-inputs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.pronunciation-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pronunciation-input-row .preview-num {
  flex-shrink: 0;
}

.pronunciation-input-row input {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--gold);
  font-family: var(--font-ui);
  font-size: 13px;
  font-style: italic;
  outline: none;
  caret-color: var(--gold);
  transition: border-color var(--transition);
}

.pronunciation-input-row input:focus {
  border-color: var(--gold-dim);
}

.pronunciation-input-row input::placeholder {
  color: var(--cream-muted);
  font-style: italic;
}

/* ===== MODE 4 — PRONUNCIATION HINT ===== */
.mode4-pronunciation-hint {
  font-family: var(--font-ui);
  font-size: 15px;
  font-style: italic;
  color: var(--gold);
  opacity: 0.85;
  text-align: center;
  padding: 8px 24px;
  border: 1px solid var(--gold-dim);
  border-radius: 8px;
  background: var(--gold-glow);
  width: 100%;
}

.mode4-pron-only {
  font-style: italic;
  color: var(--gold) !important;
}

/* ===== MODE 6 — PRONUNCIATION PRACTICE ===== */
.mode6-content {
  flex: 1;
  padding: 32px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.mode6-line-counter {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--cream-muted);
  letter-spacing: 0.08em;
}

.mode6-original {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: var(--cream);
  text-align: center;
  line-height: 1.4;
  width: 100%;
}

.mode6-pronunciation {
  font-family: var(--font-ui);
  font-size: 18px;
  font-style: italic;
  color: var(--gold);
  text-align: center;
  padding: 16px 20px;
  border: 1px solid var(--gold-dim);
  border-radius: 12px;
  background: var(--gold-glow);
  width: 100%;
  line-height: 1.5;
}

.mode6-translation {
  font-family: var(--font-display);
  font-size: 14px;
  font-style: italic;
  color: var(--cream-muted);
  text-align: center;
  line-height: 1.5;
  width: 100%;
}

.mode6-instruction {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--cream-muted);
  letter-spacing: 0.08em;
  text-align: center;
}

.mode6-grade-row {
  display: flex;
  gap: 8px;
  width: 100%;
}