/* ── Themes ── */
:root {
  --bg: #1a1a2e;
  --bg2: #16213e;
  --surface: #0f3460;
  --text: #e0e0e0;
  --text-dim: #6b7280;
  --accent: #e94560;
  --correct: #4ade80;
  --wrong: #f87171;
  --caret: #e94560;
  --border: rgba(255,255,255,0.08);
  --shadow: rgba(0,0,0,0.4);
  --font-size: 22px;
  --font-family: 'Roboto Mono', monospace;
  --letter-spacing: 0px;
  --word-spacing: 0px;
}

[data-theme="light"] {
  --bg: #f3f4f6; --bg2: #ffffff; --surface: #e5e7eb;
  --text: #1f2937; --text-dim: #9ca3af;
  --accent: #6366f1; --correct: #16a34a; --wrong: #dc2626; --caret: #6366f1;
  --border: rgba(0,0,0,0.1); --shadow: rgba(0,0,0,0.1);
}
[data-theme="dracula"] {
  --bg: #282a36; --bg2: #1e1f29; --surface: #44475a;
  --text: #f8f8f2; --text-dim: #6272a4;
  --accent: #ff79c6; --correct: #50fa7b; --wrong: #ff5555; --caret: #ff79c6;
  --border: rgba(255,255,255,0.08); --shadow: rgba(0,0,0,0.4);
}
[data-theme="nord"] {
  --bg: #2e3440; --bg2: #242933; --surface: #3b4252;
  --text: #eceff4; --text-dim: #4c566a;
  --accent: #88c0d0; --correct: #a3be8c; --wrong: #bf616a; --caret: #88c0d0;
  --border: rgba(255,255,255,0.07); --shadow: rgba(0,0,0,0.3);
}
[data-theme="catppuccin"] {
  --bg: #1e1e2e; --bg2: #181825; --surface: #313244;
  --text: #cdd6f4; --text-dim: #45475a;
  --accent: #cba6f7; --correct: #a6e3a1; --wrong: #f38ba8; --caret: #cba6f7;
  --border: rgba(255,255,255,0.07); --shadow: rgba(0,0,0,0.4);
}
[data-theme="solarized"] {
  --bg: #002b36; --bg2: #073642; --surface: #0d4a5a;
  --text: #93a1a1; --text-dim: #586e75;
  --accent: #268bd2; --correct: #859900; --wrong: #dc322f; --caret: #268bd2;
  --border: rgba(255,255,255,0.06); --shadow: rgba(0,0,0,0.4);
}
[data-theme="mocha"] {
  --bg: #1c1410; --bg2: #241a12; --surface: #3b2a1e;
  --text: #e8d5b7; --text-dim: #7a6050;
  --accent: #f9a825; --correct: #8bc34a; --wrong: #e53935; --caret: #f9a825;
  --border: rgba(255,255,255,0.07); --shadow: rgba(0,0,0,0.5);
}
[data-theme="ocean"] {
  --bg: #0a1628; --bg2: #0d1f3c; --surface: #162d4e;
  --text: #cfe8ff; --text-dim: #4a7fa5;
  --accent: #00b4d8; --correct: #48cae4; --wrong: #e76f51; --caret: #00b4d8;
  --border: rgba(255,255,255,0.07); --shadow: rgba(0,0,0,0.5);
}
[data-theme="forest"] {
  --bg: #0f1a0f; --bg2: #162116; --surface: #213521;
  --text: #c8e6c9; --text-dim: #4a6a4a;
  --accent: #52b788; --correct: #74c69d; --wrong: #e07a5f; --caret: #52b788;
  --border: rgba(255,255,255,0.07); --shadow: rgba(0,0,0,0.5);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
.hidden { display: none !important; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.25s, color 0.25s;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2.5rem;
  border-bottom: 1px solid var(--border);
}
.logo { font-size: 1.5rem; font-weight: 700; color: var(--accent); letter-spacing: 0.05em; }
.header-right { display: flex; align-items: center; gap: 0.65rem; }
.header-signout { align-self: auto; }
.icon-btn {
  background: none; border: none; color: var(--text-dim);
  font-size: 1.3rem; cursor: pointer; padding: 0.4rem;
  border-radius: 6px; transition: color 0.2s, background 0.2s;
}
.icon-btn:hover { color: var(--accent); background: var(--surface); }

/* ── Main ── */
main {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; padding: 2.5rem 1.5rem;
  max-width: 900px; width: 100%; margin: 0 auto; gap: 1.5rem;
}

/* ── Options Bar ── */
.options-bar {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr 1fr;
  align-items: stretch;
  gap: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px var(--shadow);
}
.setup-title,
.setup-section {
  padding: 0.75rem 0.9rem;
  border-right: 1px solid var(--border);
}
.setup-section:last-child { border-right: none; }
.setup-title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--surface);
}
.setup-title span,
.setup-label {
  color: var(--text-dim);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.setup-title strong {
  color: var(--accent);
  font-size: 1.05rem;
  margin-top: 0.18rem;
}
.setup-section {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.mode-group { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.mode-btn, .sub-btn {
  background: var(--surface); border: 1px solid transparent; color: var(--text-dim);
  cursor: pointer; padding: 0.42rem 0.7rem; border-radius: 7px;
  font-family: inherit; font-size: 0.85rem;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.mode-btn:hover, .sub-btn:hover { color: var(--text); border-color: var(--border); }
.mode-btn.active, .sub-btn.active { color: var(--accent); border-color: var(--accent); font-weight: 600; }
.divider { width: 1px; height: 1.4rem; background: var(--border); }
.sub-options { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.sub-options.hidden { display: none; }
.toggle-group { display: flex; gap: 0.3rem; }
.toggle-btn {
  background: var(--surface); border: 1px solid transparent; color: var(--text-dim);
  cursor: pointer; padding: 0.42rem 0.7rem; border-radius: 7px;
  font-family: inherit; font-size: 0.85rem;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.toggle-btn:hover { color: var(--text); border-color: var(--border); }
.toggle-btn.active { color: var(--accent); border-color: var(--accent); font-weight: 600; }

/* ── Live Stats ── */
.live-stats { display: flex; gap: 2rem; align-items: flex-end; min-height: 3rem; }
.stat-item { display: flex; flex-direction: column; align-items: center; gap: 0.1rem; }
.stat-val { font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.7rem; color: var(--text-dim); }
.timer-item.hidden { display: none; }

/* ── Progress ── */
.progress-wrap {
  width: min(520px, 100%);
  height: 4px;
  background: var(--bg2);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  border-radius: inherit;
  transition: width 0.12s ease;
}

/* ── Typing Container ── */
.typing-container {
  width: 100%; background: var(--bg2);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 2rem 2.5rem; box-shadow: 0 4px 24px var(--shadow);
  cursor: text;
}

/* ── Words Display ── */
.words-display {
  font-size: var(--font-size);
  line-height: 1.8;
  letter-spacing: var(--letter-spacing);
  word-spacing: var(--word-spacing);
  color: var(--text-dim);
  position: relative;
  user-select: none;
  overflow: hidden;
  /* height = 3 visible lines */
  height: calc(var(--font-size) * 1.8 * 3);
}

.word {
  display: inline-block;
  margin-right: 0.45em;
  position: relative;
}
.word .letter { position: relative; transition: color 0.04s; }
.letter.correct { color: var(--correct); }
.letter.wrong   { color: var(--wrong); }
.letter.untyped { color: var(--text-dim); }
.letter.extra   { color: var(--wrong); text-decoration: underline; }

/* ── Caret ── */
.caret {
  position: absolute;
  height: calc(var(--font-size) * 1.35);
  pointer-events: none;
  z-index: 10;
  will-change: left, top;
}
[data-cursor="line"] .caret {
  width: 2px; background: var(--caret); border-radius: 1px;
}
[data-cursor="block"] .caret {
  width: calc(var(--font-size) * 0.62);
  background: var(--caret); opacity: 0.45; border-radius: 2px;
}
[data-cursor="underline"] .caret {
  width: calc(var(--font-size) * 0.62);
  height: 2px; background: var(--caret);
  top: auto !important;
  bottom: calc(var(--font-size) * 0.18);
}
.caret.smooth { transition: left 0.06s ease, top 0.06s ease; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.caret.blinking { animation: blink 1s step-end infinite; }

/* Hidden Input */
#typingInput {
  position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px;
}

/* ── Controls ── */
.controls { display: flex; justify-content: center; }
.restart-btn {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  cursor: pointer; padding: 0.5rem 1.4rem; border-radius: 8px;
  font-family: inherit; font-size: 0.85rem;
  display: flex; align-items: center; gap: 0.4rem;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.restart-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--surface); }
.restart-btn.large { font-size: 1rem; padding: 0.7rem 2rem; margin-top: 1.5rem; }

/* ── Progression ── */
.progression-panel {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(260px, 520px);
  justify-content: center;
  gap: 1rem;
}
.profile-card,
.leaderboard-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
.profile-top,
.leaderboard-head,
.xp-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.panel-label {
  color: var(--text-dim);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}
.rank-name,
.leaderboard-title {
  font-size: 1.1rem;
  font-weight: 700;
}
.prestige-badge {
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  font-weight: 700;
  min-width: 44px;
  text-align: center;
}
.xp-row {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-top: 0.9rem;
}
.rank-progress {
  height: 7px;
  background: var(--surface);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.45rem;
}
.rank-progress-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  border-radius: inherit;
  transition: width 0.25s ease;
}
.prestige-btn { margin-top: 0.9rem; }
.weak-words-panel {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
}
.weak-word-list,
.weak-result {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--text-dim);
  font-size: 0.78rem;
}
.weak-word-list { margin-top: 0.45rem; }
.weak-word-chip {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.28rem 0.5rem;
}
.leaderboard-tabs,
.leaderboard-modes {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}
.leaderboard-modes { margin-top: 0.8rem; }
.mini-tab {
  background: none;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-dim);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.72rem;
  padding: 0.28rem 0.55rem;
}
.mini-tab:hover,
.mini-tab.active {
  color: var(--accent);
  border-color: var(--accent);
}
.leaderboard-list {
  list-style-position: inside;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.9rem;
  color: var(--text);
}
.leaderboard-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text);
  font-size: 0.82rem;
}
.leaderboard-list li span:last-child {
  color: var(--text-dim);
  text-align: right;
}
.leaderboard-list .leaderboard-empty {
  color: var(--text-dim);
  justify-content: center;
}

/* ── Results ── */
.results {
  width: 100%; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem 2.5rem;
  text-align: center; box-shadow: 0 4px 24px var(--shadow);
  display: flex; flex-direction: column; align-items: center;
  animation: fadeIn 0.3s ease;
}
.results.hidden { display: none; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.results-header {
  font-size: 0.8rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 1.5rem;
}
.results-grid { display: flex; gap: 2rem; flex-wrap: wrap; justify-content: center; }
.result-card { display: flex; flex-direction: column; align-items: center; gap: 0.2rem; }
.result-val { font-size: 2.8rem; font-weight: 700; color: var(--accent); }
.result-label { font-size: 0.75rem; color: var(--text-dim); }
.chart-wrap {
  width: 100%;
  height: 150px;
  margin-top: 1.7rem;
}
#wpmChart {
  width: 100%;
  height: 100%;
  display: block;
}
.result-extra {
  width: 100%;
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.xp-earned {
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
}
.feedback-list {
  width: min(640px, 100%);
  display: grid;
  gap: 0.55rem;
}
.feedback-item {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
  font-size: 0.82rem;
  line-height: 1.45;
  text-align: left;
}
.weak-result {
  justify-content: center;
  width: min(640px, 100%);
}

/* ── Settings Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; backdrop-filter: blur(6px);
  animation: fadeIn 0.15s ease;
}
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 20px; width: min(600px, 95vw);
  max-height: 88vh; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 12px 50px var(--shadow);
}
.privacy-modal { width: min(640px, 95vw); }
.privacy-body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.privacy-body p {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.6;
}

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 0.95rem; flex-shrink: 0;
}
.close-btn {
  background: none; border: none; color: var(--text-dim);
  font-size: 1.4rem; cursor: pointer; line-height: 1;
  transition: color 0.2s;
}
.close-btn:hover { color: var(--accent); }

/* Modal Tabs */
.modal-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  padding: 0 1rem; gap: 0; flex-shrink: 0;
}
.tab-btn {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; padding: 0.75rem 1.1rem; font-family: inherit;
  font-size: 0.82rem; border-bottom: 2px solid transparent;
  margin-bottom: -1px; transition: color 0.2s, border-color 0.2s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.modal-body { padding: 1.4rem 1.5rem; overflow-y: auto; flex: 1; }

/* Tab Content */
.tab-content { display: none; flex-direction: column; gap: 1.6rem; }
.tab-content.active { display: flex; }

/* Setting Group */
.setting-group { display: flex; flex-direction: column; gap: 0.55rem; }
.setting-label {
  font-size: 0.72rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.1em;
  display: flex; align-items: center; gap: 0.5rem;
}
.setting-value {
  color: var(--accent); font-size: 0.8rem;
  text-transform: none; letter-spacing: 0; font-weight: 600;
}
.setting-hint { color: var(--text-dim); font-size: 0.7rem; text-transform: none; }
.setting-row { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* Theme Grid */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}
.theme-btn {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; padding: 0.55rem 0.5rem;
  border-radius: 8px; font-family: inherit; font-size: 0.8rem;
  display: flex; align-items: center; gap: 0.5rem;
  transition: border-color 0.2s, color 0.2s;
}
.theme-btn::before {
  content: '';
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--t-accent, var(--accent));
  flex-shrink: 0;
}
.theme-btn:hover { border-color: var(--t-accent, var(--accent)); }
.theme-btn.active {
  border-color: var(--t-accent, var(--accent));
  color: var(--t-accent, var(--accent)); font-weight: 600;
}

/* Font Grid */
.font-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem;
}
.font-btn {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; padding: 0.6rem 0.8rem;
  border-radius: 8px; font-size: 0.88rem; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: border-color 0.2s, color 0.2s;
}
.font-btn:hover { border-color: var(--accent); }
.font-btn.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }

/* Sliders */
.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 2px;
  background: var(--surface); outline: none; cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); cursor: pointer;
  transition: transform 0.15s;
}
.slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.slider-labels {
  display: flex; justify-content: space-between;
  font-size: 0.65rem; color: var(--text-dim); margin-top: 0.25rem;
}

/* Color Grid */
.color-grid {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.color-item {
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
}
.color-item input[type="color"] {
  -webkit-appearance: none; appearance: none;
  width: 40px; height: 40px; border: 2px solid var(--border);
  border-radius: 8px; cursor: pointer; padding: 2px;
  background: var(--surface);
}
.color-item input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; border-radius: 6px; }
.color-item input[type="color"]::-webkit-color-swatch { border: none; border-radius: 5px; }
.color-item input[type="color"]:hover { border-color: var(--accent); }
.color-item label { font-size: 0.68rem; color: var(--text-dim); white-space: nowrap; }

.ghost-btn {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  cursor: pointer; padding: 0.3rem 0.8rem; border-radius: 6px;
  font-family: inherit; font-size: 0.75rem; align-self: flex-start;
  transition: color 0.2s, border-color 0.2s;
}
.ghost-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface); border-radius: 3px; }

@media (max-width: 720px) {
  header { padding: 1rem; align-items: flex-start; }
  .header-right { flex-wrap: wrap; justify-content: flex-end; }
  .options-bar { grid-template-columns: 1fr; }
  .setup-title,
  .setup-section {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .setup-section:last-child { border-bottom: none; }
  .progression-panel { grid-template-columns: 1fr; }
  .leaderboard-head { align-items: flex-start; flex-direction: column; }
  .leaderboard-list li { flex-direction: column; gap: 0.15rem; }
  .leaderboard-list li span:last-child { text-align: left; }
}