/* KeyBlind - Progressive Blind Typing Trainer Styles */
:root {
  --bg-main: #0c0f17;
  --bg-card: #141a26;
  --bg-card-sub: #1b2333;
  --bg-key: #202a3d;
  --bg-key-sub: #171f2e;
  --border-color: #2b384f;
  --border-light: rgba(255, 255, 255, 0.08);

  --text-main: #f1f5f9;
  --text-muted: #8493a8;
  --text-dim: #4b586d;

  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.35);
  --success: #34d399;
  --success-glow: rgba(52, 211, 153, 0.3);
  --error: #f87171;
  --error-glow: rgba(248, 113, 113, 0.4);
  --warning: #fbbf24;

  /* Finger color codings */
  --finger-pinky: #c084fc;
  --finger-ring: #60a5fa;
  --finger-middle: #34d399;
  --finger-index: #f59e0b;
  --finger-thumb: #f43f5e;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-key: 0 4px 0 #101622, 0 6px 12px rgba(0,0,0,0.35);
  --shadow-key-pressed: 0 1px 0 #101622, 0 2px 4px rgba(0,0,0,0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  user-select: none;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px 28px;
  width: 100%;
}

/* Top Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-wrap: wrap;
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
}

.brand-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--accent);
}

/* Lesson Navigation Pill */
.lesson-navigation {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  padding: 4px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background: var(--bg-card-sub);
  color: var(--text-main);
}

.btn-lesson-pill {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 6px 14px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 20px;
  transition: background 0.15s ease;
}

.btn-lesson-pill:hover {
  background: var(--bg-card-sub);
}

.pill-category {
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pill-divider {
  color: var(--text-dim);
}

.pill-lesson {
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.delay-quick-control {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.delay-select {
  background: transparent;
  border: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 12.5px;
  cursor: pointer;
  outline: none;
}

.delay-select option {
  background: var(--bg-card);
  color: var(--text-main);
}

/* Main Arena */
.practice-arena {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 18px;
  flex: 1;
}

/* Dashboard Meta */
.meta-dashboard {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.lesson-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}

.lesson-heading {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.lesson-instructions {
  font-size: 13.5px;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.45;
}

.metrics-grid {
  display: flex;
  gap: 12px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  min-width: 84px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.metric-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  margin-bottom: 3px;
}

.metric-val {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

#metricWpm { color: var(--accent); }
#metricAccuracy { color: var(--success); }

/* Text Stream / Typing Arena Display Box */
.typing-display-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

/* Delay Hint State Bar */
.hint-state-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 18px;
  background: var(--bg-card-sub);
  border-bottom: 1px solid var(--border-light);
}

.state-indicator {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse-glow 1.6s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.15); }
}

.phase-timers {
  display: flex;
  align-items: center;
  gap: 14px;
}

.phase-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.phase-bar-track {
  width: 60px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.phase-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 0.08s linear;
}

#phase2Fill {
  background: var(--warning);
}

/* Text Stream Area */
.text-stream-wrapper {
  padding: 30px 24px 26px;
  min-height: 120px;
  outline: none;
  cursor: text;
  position: relative;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: thin;
}

.text-stream {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 32px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  letter-spacing: 2px;
  width: 100%;
}

.char {
  position: relative;
  border-radius: 3px;
  padding: 1px 2px;
  transition: background 0.1s ease, color 0.1s ease;
}

.char-space {
  display: inline-block;
  min-width: 16px;
}

.char-correct {
  color: var(--success);
  opacity: 0.85;
}

.char-incorrect {
  color: var(--error);
  background: rgba(248, 113, 113, 0.2);
  text-decoration: underline wavy var(--error);
}

.char-current {
  background: rgba(56, 189, 248, 0.25);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 0 0 2px var(--accent);
}

.char-current.char-space {
  background: rgba(56, 189, 248, 0.4);
  position: relative;
}

.char-current.char-space::after {
  content: '␣';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  color: var(--accent);
  opacity: 0.9;
}

.char-upcoming {
  color: var(--text-dim);
}

/* Focus Notice */
.cursor-focus-notice {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(12, 15, 23, 0.92);
  backdrop-filter: blur(4px);
  border: 1px solid var(--accent);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  pointer-events: none;
}

.text-stream-wrapper:not(:focus) .cursor-focus-notice {
  display: block;
}

/* Display Footer */
.display-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: var(--bg-card-sub);
  border-top: 1px solid var(--border-light);
  gap: 16px;
  flex-wrap: wrap;
}

.target-key-guide {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

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

.guide-key-badge {
  background: var(--accent);
  color: #0c0f17;
  font-family: 'Fira Code', monospace;
  font-weight: 700;
  font-size: 15px;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  min-width: 32px;
  text-align: center;
}

.guide-finger-badge {
  background: rgba(255, 255, 255, 0.07);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
}

.guide-modifiers {
  display: flex;
  gap: 6px;
}

.mod-tag {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.display-buttons {
  display: flex;
  gap: 10px;
}

.btn-text {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-text:hover {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--text-dim);
}

.btn-peek:active {
  background: var(--accent);
  color: #0c0f17;
  border-color: var(--accent);
}

/* Keyboard Section (Bottom Part) */
.keyboard-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.keyboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 4px;
  flex-wrap: wrap;
  gap: 10px;
}

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

.kb-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 8px;
  border-radius: 4px;
}

.kb-state-indicator {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.finger-legend {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.legend-item .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot.lp { background: var(--finger-pinky); }
.dot.lr { background: var(--finger-ring); }
.dot.lm { background: var(--finger-middle); }
.dot.li { background: var(--finger-index); }
.dot.th { background: var(--finger-thumb); }

/* ANSI Keyboard Layout Container */
.keyboard-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: #0e131d;
  border-radius: var(--radius-md);
  border: 1px solid #1c2538;
  max-width: 100%;
  overflow-x: auto;
}

.kb-row {
  display: flex;
  gap: 6px;
  width: 100%;
  justify-content: space-between;
}

/* Keycap Styling */
.keycap {
  position: relative;
  background: linear-gradient(180deg, #242e44 0%, #1a2233 100%);
  border: 1px solid #334260;
  border-radius: 6px;
  height: 52px;
  flex: 1;
  min-width: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5px 6px;
  box-shadow: var(--shadow-key);
  cursor: default;
  transition: transform 0.05s ease, background 0.15s ease, box-shadow 0.05s ease, border-color 0.15s ease;
  user-select: none;
}

/* Key widths (standard ANSI units) */
.keycap.w-125 { flex: 1.25; }
.keycap.w-15  { flex: 1.5; }
.keycap.w-175 { flex: 1.75; }
.keycap.w-2   { flex: 2; }
.keycap.w-225 { flex: 2.25; }
.keycap.w-275 { flex: 2.75; }
.keycap.w-space { flex: 6.25; }

/* Finger Indicator Top Strip / Dot */
.key-finger-strip {
  position: absolute;
  top: 0;
  left: 6px;
  right: 6px;
  height: 2px;
  border-radius: 0 0 2px 2px;
  opacity: 0.35;
}

.finger-left-pinky .key-finger-strip, .finger-right-pinky .key-finger-strip { background: var(--finger-pinky); }
.finger-left-ring .key-finger-strip, .finger-right-ring .key-finger-strip { background: var(--finger-ring); }
.finger-left-middle .key-finger-strip, .finger-right-middle .key-finger-strip { background: var(--finger-middle); }
.finger-left-index .key-finger-strip, .finger-right-index .key-finger-strip { background: var(--finger-index); }
.finger-thumb .key-finger-strip { background: var(--finger-thumb); }

/* Key Labels (Main, Shift, Polish) */
.key-labels {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.key-label-top {
  font-size: 10.5px;
  color: var(--text-muted);
  font-weight: 600;
  line-height: 1;
}

.key-label-main {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  text-align: center;
  margin-top: auto;
  margin-bottom: auto;
}

.key-label-polish {
  position: absolute;
  bottom: 3px;
  right: 5px;
  font-size: 10.5px;
  font-weight: 800;
  color: #38bdf8;
  opacity: 0.85;
}

/* Home Key Tactile Bumps (F and J) */
.has-bump::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 2.5px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
}

/* BLIND MODE / DELAY HINT SYSTEM KEY STATES */

/* State: BLANK (Phase 0) - Labels completely hidden! */
.kb-blank .key-labels {
  opacity: 0 !important;
}

/* State: LABELS (Phase 1) - Labels become visible so user can search */
.kb-labels .key-labels {
  opacity: 1 !important;
}

/* State: TARGET HIGHLIGHT (Phase 2) - Correct target key glowing */
.keycap.key-target {
  background: linear-gradient(180deg, #0284c7 0%, #0369a1 100%) !important;
  border-color: #38bdf8 !important;
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.6), 0 4px 0 #075985 !important;
  animation: key-pulse 1.3s infinite alternate ease-in-out;
  z-index: 2;
}

.keycap.key-target .key-labels {
  opacity: 1 !important;
}

.keycap.key-target .key-label-main,
.keycap.key-target .key-label-top,
.keycap.key-target .key-label-polish {
  color: #ffffff !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

@keyframes key-pulse {
  0% { transform: translateY(0); box-shadow: 0 0 12px rgba(56, 189, 248, 0.5), 0 4px 0 #075985; }
  100% { transform: translateY(-2px); box-shadow: 0 0 24px rgba(56, 189, 248, 0.9), 0 6px 0 #075985; }
}

/* Modifier Target Key Highlight (e.g. Shift or AltGr) */
.keycap.key-mod-target {
  background: linear-gradient(180deg, #d97706 0%, #b45309 100%) !important;
  border-color: #fbbf24 !important;
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.5), 0 4px 0 #92400e !important;
  animation: mod-pulse 1.3s infinite alternate ease-in-out;
  z-index: 2;
}

.keycap.key-mod-target .key-labels {
  opacity: 1 !important;
}

.keycap.key-mod-target .key-label-main {
  color: #ffffff !important;
}

@keyframes mod-pulse {
  0% { transform: translateY(0); box-shadow: 0 0 10px rgba(251, 191, 36, 0.4), 0 4px 0 #92400e; }
  100% { transform: translateY(-2px); box-shadow: 0 0 20px rgba(251, 191, 36, 0.8), 0 6px 0 #92400e; }
}

/* Physical Key Down (User is pressing key right now) */
.keycap.key-pressed {
  transform: translateY(3px) !important;
  box-shadow: var(--shadow-key-pressed) !important;
  background: #3b82f6 !important;
  border-color: #60a5fa !important;
}

/* Wrong Key Hit Flash */
.keycap.key-wrong {
  background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%) !important;
  border-color: #f87171 !important;
  box-shadow: 0 0 18px var(--error-glow), 0 2px 0 #991b1b !important;
  transform: translateY(2px);
}

/* Hands Diagram Guide */
.hands-diagram-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px 0;
}

.hand {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  position: relative;
}

.hand-label {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.finger {
  width: 22px;
  background: #1c2536;
  border: 1px solid #2d3b54;
  border-radius: 12px 12px 4px 4px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
  transition: all 0.2s ease;
}

.finger span {
  display: none;
}

.finger.f-pinky  { height: 38px; }
.finger.f-ring   { height: 48px; }
.finger.f-middle { height: 56px; }
.finger.f-index  { height: 46px; }
.finger.f-thumb  { height: 30px; border-radius: 10px 10px 4px 4px; }

/* Highlight Active Finger */
.finger.finger-active {
  background: var(--accent) !important;
  border-color: #fff !important;
  box-shadow: 0 0 12px var(--accent-glow) !important;
  transform: translateY(-4px);
}

.finger.f-pinky.finger-active  { background: var(--finger-pinky) !important; }
.finger.f-ring.finger-active   { background: var(--finger-ring) !important; }
.finger.f-middle.finger-active { background: var(--finger-middle) !important; }
.finger.f-index.finger-active  { background: var(--finger-index) !important; }
.finger.f-thumb.finger-active  { background: var(--finger-thumb) !important; }

.hand-center-info {
  font-size: 12px;
  color: var(--text-muted);
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  animation: modal-pop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-pop {
  0% { opacity: 0; transform: scale(0.96) translateY(10px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.modal-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}

.btn-close:hover {
  color: #fff;
}

/* Curriculum Drawer List */
.curriculum-list {
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.curriculum-module {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
}

.module-header {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lesson-chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 8px;
}

.lesson-chip {
  background: var(--bg-key);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: all 0.15s ease;
}

.lesson-chip:hover {
  background: #2b3952;
  border-color: var(--accent);
}

.lesson-chip.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.15);
}

.chip-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.chip-desc {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'Fira Code', monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Settings Body */
.settings-body {
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-label {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.setting-val {
  color: var(--accent);
  font-weight: 700;
}

.setting-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.4;
}

.range-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  height: 6px;
  margin: 6px 0;
}

.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
}

/* Radio Cards */
.radio-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.radio-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  background: var(--bg-card-sub);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: all 0.15s ease;
}

.radio-card:has(input:checked) {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

.radio-card input {
  margin-top: 3px;
  accent-color: var(--accent);
}

.card-title {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
}

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

/* Switch */
.checkbox-group {
  flex-direction: row;
  align-items: center;
  gap: 14px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  transition: .2s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent);
  border-color: var(--accent);
}

input:checked + .slider:before {
  transform: translateX(20px);
  background-color: #0c0f17;
}

.switch-title {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
}

.switch-sub {
  display: block;
  font-size: 11.5px;
  color: var(--text-muted);
}

.custom-textarea {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: #fff;
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  resize: vertical;
  outline: none;
}

.custom-textarea:focus {
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #0c0f17;
  font-weight: 700;
  font-size: 13.5px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 13.5px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--bg-card-sub);
}

/* Celebration Modal */
.celebration-modal {
  max-width: 440px;
  text-align: center;
  padding: 32px 24px;
  align-items: center;
}

.celebration-badge {
  font-size: 50px;
  margin-bottom: 12px;
}

.celebration-title {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}

.celebration-sub {
  font-size: 14px;
  color: var(--accent);
  margin-top: 4px;
  margin-bottom: 24px;
}

.complete-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  width: 100%;
  margin-bottom: 26px;
}

.complete-stat {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-light);
  padding: 12px 6px;
  border-radius: var(--radius-sm);
}

.complete-stat-num {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.complete-stat-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 2px;
}

.celebration-actions {
  display: flex;
  gap: 12px;
  width: 100%;
}

.celebration-actions button {
  flex: 1;
}

/* Responsive adjustments */
@media (max-width: 860px) {
  .keyboard-section {
    padding: 10px;
  }
  .keycap {
    height: 44px;
    min-width: 22px;
    padding: 3px 4px;
  }
  .key-label-main {
    font-size: 12px;
  }
  .key-label-top {
    font-size: 9px;
  }
  .text-stream {
    font-size: 24px;
  }
  .hands-diagram-wrapper {
    display: none;
  }
}