/* ─── CSS VARIABLES / THEMES ──────────────────────────────────────────────── */
:root {
  --bg: #0d0d0f;
  --surface: #141417;
  --surface2: #1c1c21;
  --border: #2a2a32;
  --text: #e8e8f0;
  --muted: #555566;
  --accent: #7c6af7;
  --accent2: #f7c26a;
  --correct: #6af7b2;
  --wrong: #f76a8a;
  --cursor: #7c6af7;
  --glow: rgba(124, 106, 247, 0.18);
}

.theme-forest {
  --bg: #0c110e; --surface: #131a15; --surface2: #1a241d; --border: #243028;
  --text: #d4e8d8; --muted: #4a6152; --accent: #5ebb7a; --accent2: #b5e87d;
  --correct: #7de8b5; --wrong: #e87d7d; --cursor: #5ebb7a; --glow: rgba(94, 187, 122, 0.15);
}
.theme-ember {
  --bg: #0f0c0a; --surface: #181310; --surface2: #221a16; --border: #342520;
  --text: #f0ddd4; --muted: #6b4c40; --accent: #f77b4a; --accent2: #f7c26a;
  --correct: #f7c26a; --wrong: #f75a6a; --cursor: #f77b4a; --glow: rgba(247, 123, 74, 0.15);
}
.theme-arctic {
  --bg: #f5f7fb; --surface: #eef1f7; --surface2: #e4e8f2; --border: #d0d5e8;
  --text: #1a1d2e; --muted: #9099bb; --accent: #4a6cf7; --accent2: #f7884a;
  --correct: #2ab87a; --wrong: #e83d5a; --cursor: #4a6cf7; --glow: rgba(74, 108, 247, 0.12);
}

/* ─── RESET ───────────────────────────────────────────────────────────────── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important;
  -webkit-touch-callout: none !important;
}

input, textarea {
  -webkit-user-select: auto !important;
  -moz-user-select: auto !important;
  -ms-user-select: auto !important;
  user-select: auto !important;
}

/* ─── BASE ────────────────────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Sora', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}

body::before {
  content: '';
  position: fixed;
  top: -40%; left: -20%;
  width: 80%; height: 80%;
  background: radial-gradient(ellipse, rgba(124, 106, 247, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ─── HEADER ──────────────────────────────────────────────────────────────── */
header {
  width: 100%;
  max-width: 900px;
  padding: 20px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -1px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.logo:hover { opacity: 0.8; transform: scale(1.02); }
.logo span { color: var(--accent2); }

.logo-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: radarSpin 3s linear infinite;
}
.logo-icon::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 2px solid var(--accent2);
  border-top-color: transparent;
  animation: radarPulse 2s ease-in-out infinite;
}
.logo-icon::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  background: var(--accent2);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.header-right { display: flex; align-items: center; gap: 16px; }

.theme-picker { display: flex; gap: 8px; align-items: center; }
.theme-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.theme-dot:hover { transform: scale(1.2); }
.theme-dot.active { border-color: var(--text); }
.theme-dot[data-theme="theme-moon"]   { background: #7c6af7; }
.theme-dot[data-theme="theme-forest"] { background: #5ebb7a; }
.theme-dot[data-theme="theme-ember"]  { background: #f77b4a; }
.theme-dot[data-theme="theme-arctic"] { background: #4a6cf7; }

.settings-btn {
  background: none; border: none;
  color: var(--muted);
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 0.2s;
  padding: 5px;
}
.settings-btn:hover { color: var(--accent); transform: rotate(30deg); }

/* ─── MAIN ────────────────────────────────────────────────────────────────── */
main {
  width: 100%;
  max-width: 900px;
  padding: 0 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 10;
  padding-top: 2vh;
}

/* ─── CONFIG BAR ──────────────────────────────────────────────────────────── */
.config-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  justify-content: center;
  transition: background 0.4s, border-color 0.4s;
}
.config-btn {
  background: none; border: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.config-btn:hover { color: var(--text); }
.config-btn.active { color: var(--accent); background: var(--glow); }
.config-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; align-self: center; }

/* ─── LIVE STATS ──────────────────────────────────────────────────────────── */
.live-stats {
  display: flex;
  gap: 36px;
  margin-bottom: 18px;
  height: 44px;
  align-items: flex-end;
  opacity: 0;
  transition: opacity 0.3s;
}
.live-stats.visible { opacity: 1; }
.stat-item { text-align: left; }
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}
#timer-display.warning { color: var(--wrong) !important; }

/* ─── TYPING AREA ─────────────────────────────────────────────────────────── */
.typing-container {
  width: 100%;
  position: relative;
  cursor: text;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  background: var(--surface);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--border);
}

#words-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.45rem;
  font-weight: 300;
  line-height: 2.4;
  color: var(--muted);
  letter-spacing: 0.01em;
  overflow: hidden;
  height: calc(2.4em * 3);
  position: relative;
}
.words-inner {
  position: absolute;
  width: 100%;
  transition: top 0.12s ease;
  top: 0;
  will-change: top;
}
.word { display: inline-block; margin-right: 0.55em; position: relative; }
.letter {
  position: relative;
  transition: all 0.1s cubic-bezier(0.2, 0.9, 0.3, 1.2);
  display: inline-block;
  font-weight: 400;
}

.typing-container::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 40px;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: 4;
  pointer-events: none;
}

/* ─── CURSOR ──────────────────────────────────────────────────────────────── */
.cursor-line {
  display: inline-block;
  width: 2.5px; height: 1.5em;
  background: var(--cursor);
  position: absolute;
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent), 0 0 20px var(--glow);
  animation: blink 0.9s step-end infinite;
  pointer-events: none;
  z-index: 5;
  transition: left 0.08s cubic-bezier(0.1, 0.8, 0.2, 1), top 0.12s ease, background 0.4s;
  transform: translateY(2px);
}

/* ─── CLICK HINT ──────────────────────────────────────────────────────────── */
.click-hint {
  margin-top: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
  opacity: 0.6;
  animation: pulse 2s infinite;
}

/* ─── RESULT SCREEN ───────────────────────────────────────────────────────── */
#result-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  animation: fadeUp 0.5s ease;
  width: 100%;
}

.result-big {
  display: flex;
  gap: 48px;
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: center;
}
.result-stat { text-align: center; }
.result-stat .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 4px;
}
.result-stat .value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 4rem;
  font-weight: 300;
  line-height: 1;
  color: var(--accent);
}
.result-stat.secondary .value { font-size: 2.5rem; color: var(--accent2); }

.result-details {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow-x: auto;
  max-width: 100%;
}
.result-detail-item {
  text-align: center;
  padding: 16px 20px;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}
.result-detail-item:last-child { border-right: none; }
.result-detail-item .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.result-detail-item .val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  color: var(--text);
  margin-top: 4px;
}
.result-detail-item .val.good { color: var(--correct); }
.result-detail-item .val.bad  { color: var(--wrong); }

/* ─── WPM CHART ───────────────────────────────────────────────────────────── */
#wpm-chart {
  width: 100%;
  max-width: 600px;
  height: 70px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
}
.chart-bar {
  flex: 1;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
  min-height: 4px;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.chart-bar:hover { opacity: 1; }

/* ─── RESTART BUTTON ──────────────────────────────────────────────────────── */
.restart-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  padding: 12px 32px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}
.restart-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--glow);
  transform: translateY(-1px);
}

/* ─── TEST SCREEN ─────────────────────────────────────────────────────────── */
#test-screen { width: 100%; display: flex; flex-direction: column; align-items: center; }

/* ─── FOOTER ──────────────────────────────────────────────────────────────── */
footer {
  width: 100%;
  max-width: 900px;
  padding: 20px 24px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  position: relative;
  z-index: 10;
  gap: 12px;
  flex-wrap: wrap;
}
footer kbd {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 0.65rem;
  color: var(--text);
}

/* ─── SETTINGS MODAL ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: modalPop 0.3s ease;
  max-height: 80vh;
  overflow-y: auto;
}
.modal h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  margin-bottom: 24px;
  color: var(--accent);
}
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  background: none; border: none;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--wrong); }

.setting-section { margin-bottom: 30px; }
.setting-section h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 5px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.theme-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.theme-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.theme-card.active { background: var(--accent); color: white; border-color: var(--accent); }
.theme-card .preview { width: 100%; height: 30px; border-radius: 6px; margin-bottom: 8px; }
.theme-card .name { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; }

.lang-selector { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.lang-btn {
  flex: 1; min-width: 80px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  color: var(--text);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
}
.lang-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

.custom-input { display: flex; gap: 10px; margin-top: 10px; }
.custom-input input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}
.custom-input input:focus { outline: none; border-color: var(--accent); }
.custom-input button {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 0 16px;
  color: white;
  cursor: pointer;
  font-weight: bold;
}
.custom-list {
  background: var(--surface2);
  border-radius: 8px;
  padding: 12px;
  max-height: 200px;
  overflow-y: auto;
  margin-top: 10px;
}
.custom-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px;
  border-bottom: 1px solid var(--border);
}
.custom-item:last-child { border-bottom: none; }
.custom-item span { font-family: 'JetBrains Mono', monospace; color: var(--text); }
.custom-item button { background: none; border: none; color: var(--wrong); cursor: pointer; font-size: 1.2rem; }

/* ─── MOBILE KEYBOARD BUTTON ──────────────────────────────────────────────── */
.keyboard-activator {
  display: none;
  position: fixed;
  bottom: 20px; right: 20px;
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 100;
  border: none;
  cursor: pointer;
}

/* ─── COLOR THEMES ────────────────────────────────────────────────────────── */
.letter.correct.theme-classic { color: var(--correct) !important; }
.letter.wrong.theme-classic   { color: var(--wrong) !important; }

.letter.correct.theme-rgb {
  animation: rgbShift 2s linear infinite;
  text-shadow: 0 0 5px currentColor;
}
.letter.wrong.theme-rgb { color: white; }

.letter.correct.theme-matrix {
  color: #0f0;
  text-shadow: 0 0 5px #0f0;
  animation: matrixPulse 1s ease-in-out infinite;
}
.letter.wrong.theme-matrix { color: #f00; }

.letter.correct.theme-neon {
  color: #fff;
  text-shadow: 0 0 5px #f0f, 0 0 10px #0ff, 0 0 15px #f0f;
  animation: neonGlow 1.5s ease-in-out infinite alternate;
}
.letter.wrong.theme-neon { color: #f00; text-shadow: 0 0 5px #f00; }

.letter.correct.theme-fire {
  animation: fireShift 1.5s linear infinite;
  text-shadow: 0 0 8px #ff0;
}
.letter.wrong.theme-fire { color: #fff; }

.letter.correct.theme-ocean {
  animation: oceanShift 2.5s linear infinite;
  text-shadow: 0 0 5px #00ffff;
}
.letter.wrong.theme-ocean { color: #ff6666; }

.letter.correct.theme-purple {
  color: #c77dff;
  text-shadow: 0 0 8px #9d4cff;
  animation: purplePulse 1.8s ease-in-out infinite;
}
.letter.wrong.theme-purple { color: #ff9999; }

/* ─── ANIMATIONS ──────────────────────────────────────────────────────────── */
@keyframes radarSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes radarPulse {
  0%   { transform: scale(0.8); opacity: 0.8; }
  50%  { transform: scale(1.2); opacity: 0.4; }
  100% { transform: scale(0.8); opacity: 0.8; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 0.3; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes modalPop {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-2px); }
  75%       { transform: translateX(2px); }
}
@keyframes deletePulse {
  0%   { opacity: 1; transform: scale(1); }
  50%  { opacity: 0.5; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes rgbShift {
  0%   { color: #ff3b3b; }
  14%  { color: #ff8c42; }
  28%  { color: #ffd93b; }
  42%  { color: #4caf7f; }
  57%  { color: #3b7fff; }
  71%  { color: #9d4cff; }
  85%  { color: #ff6b9d; }
  100% { color: #ff3b3b; }
}
@keyframes matrixPulse {
  0%   { opacity: 1;   text-shadow: 0 0 5px #0f0; }
  50%  { opacity: 0.8; text-shadow: 0 0 15px #0f0, 0 0 20px #0f0; }
  100% { opacity: 1;   text-shadow: 0 0 5px #0f0; }
}
@keyframes neonGlow {
  0%   { text-shadow: 0 0 5px #f0f, 0 0 10px #0ff; }
  100% { text-shadow: 0 0 15px #f0f, 0 0 25px #0ff, 0 0 35px #f0f; }
}
@keyframes fireShift {
  0%   { color: #ff4500; text-shadow: 0 0 5px #ff4500; }
  33%  { color: #ff8c00; text-shadow: 0 0 8px #ff8c00; }
  66%  { color: #ffd700; text-shadow: 0 0 5px #ffd700; }
  100% { color: #ff4500; text-shadow: 0 0 5px #ff4500; }
}
@keyframes oceanShift {
  0%   { color: #00ffff; text-shadow: 0 0 5px #00ffff; }
  33%  { color: #4a9eff; text-shadow: 0 0 8px #4a9eff; }
  66%  { color: #6a5acd; text-shadow: 0 0 5px #6a5acd; }
  100% { color: #00ffff; text-shadow: 0 0 5px #00ffff; }
}
@keyframes purplePulse {
  0%   { color: #b87aff; text-shadow: 0 0 5px #9d4cff; }
  50%  { color: #d9b0ff; text-shadow: 0 0 15px #b87aff, 0 0 25px #9d4cff; }
  100% { color: #b87aff; text-shadow: 0 0 5px #9d4cff; }
}
.letter.deleting { animation: deletePulse 0.1s ease-out; }

/* ─── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .config-btn { padding: 5px 8px; font-size: 0.7rem; }
  .live-stats { gap: 18px; }
  .stat-value { font-size: 1.4rem; }
  #words-display { font-size: 1.2rem; }
  .result-detail-item { padding: 12px 16px; }
  .result-detail-item .val { font-size: 1.2rem; }
  .result-big { gap: 24px; }
  .result-stat .value { font-size: 3rem; }
  .result-stat.secondary .value { font-size: 2rem; }
  .typing-container { padding: 15px; }
  .cursor-line { height: 1.4em; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .keyboard-activator { display: flex; }
}
@media (hover: none) {
  .config-btn { padding: 8px 12px; }
  .typing-container { margin-bottom: 10px; }
}

/* ─── MOBILE KEYBOARD OPEN ────────────────────────────────────────────────── */
/* Prevent the page from jumping when soft keyboard opens */
@media (max-width: 600px) {
  html {
    /* Use dvh (dynamic viewport height) so layout reacts to keyboard */
    min-height: 100dvh;
  }
  body {
    min-height: 100dvh;
    /* Don't let the body scroll behind the keyboard */
    overflow-anchor: none;
  }
  main {
    /* Don't use justify-content: center on mobile — let content sit at top
       so keyboard opening doesn't push it off screen */
    justify-content: flex-start;
    padding-top: 12px;
  }
  #test-screen {
    /* Keep typing area near top so it stays visible when keyboard opens */
    padding-top: 0;
  }
}