/* Basic reset */
* { box-sizing: border-box; }

:root {
  --bg: #0f1724;
  --card: #0b1220;
  --muted: #98a0b3;
  --accent: #00d1b2;
  --accent-2: #7c5cff;
  --success: #2ecc71;
  --danger: #ff6b6b;
  --glass: rgba(255,255,255,0.03);
  --glass-2: rgba(255,255,255,0.02);
  color-scheme: dark;
}

html, body {
  height: 100%;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg, #071124 0%, #0b1220 100%);
  color: #e6eef8;
  overflow-x: hidden;
}

/* page layout */
.page {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  max-width: 1160px;
  margin: 36px auto;
  padding: 18px;
  width: calc(100% - 36px);
}

.game-header {
  grid-column: 1 / 2;
  margin-bottom: 8px;
}

.game-header h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 6px 0 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* name section */
.name-section {
  background: var(--glass);
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.04);
}

.name-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.name-row input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.04);
  color: inherit;
}

button {
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  border: none;
  transition: all 0.2s ease;
}

button.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #051224;
  box-shadow: 0 8px 30px rgba(92,72,255,0.08);
}

button.primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

button.secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--muted);
}

button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px dashed rgba(255,255,255,0.03);
}

/* game area */
.game-area .panel {
  background: linear-gradient(180deg, var(--card), rgba(255,255,255,0.01));
  padding: 18px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.03);
}

/* target text */
.target-container {
  background: var(--glass-2);
  padding: 14px;
  border-radius: 10px;
  min-height: 72px;
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 12px;
  white-space: pre-wrap;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  color: #dbeafe;
  border: 1px solid rgba(255,255,255,0.02);
}

/* character styles */
.char {
  display: inline-block;
  padding: 2px 4px;
  border-radius: 4px;
  transition: background-color .12s, color .12s, transform .08s;
}

.char.current {
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  transform: translateY(-2px);
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.02);
}

.char.correct {
  background: rgba(46, 204, 113, 0.12);
  color: var(--success);
}

.char.incorrect {
  background: rgba(255,107,107,0.08);
  color: var(--danger);
  text-decoration: underline;
}

/* input */
#type-input {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  background: transparent;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  min-height: 66px;
  color: #e7f3ff;
  font-size: 1rem;
  resize: none;
}

/* controls */
.controls {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.controls .primary {
  padding: 10px 14px;
}

.controls .secondary {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.05);
  color: var(--muted);
}

/* stats */
.stats-row {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-top: 12px;
  color: var(--muted);
  flex-wrap: wrap;
}

.stats-row > div {
  flex: 1;
  text-align: center;
  min-width: 84px;
  background: rgba(255,255,255,0.02);
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.02);
}

/* result overlay */
.result-area {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0,0,0,0.55), rgba(0,0,0,0.55));
  z-index: 1000;
}

.result-card {
  background: var(--card);
  border-radius: 12px;
  padding: 18px;
  max-width: 520px;
  width: 92%;
  border: 1px solid rgba(255,255,255,0.04);
  text-align: center;
}

.result-stats {
  margin-top: 10px;
  display: flex;
  gap: 12px;
  justify-content: center;
  color: var(--muted);
  flex-wrap: wrap;
}

/* leaderboard */
.leaderboard {
  padding: 18px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.03);
  overflow-x: auto;
}

.leaderboard table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.95rem;
  color: #e6eef8;
  min-width: 320px;
}

.leaderboard th,
.leaderboard td {
  padding: 8px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.leaderboard thead th {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Accessibility utility */
.sr {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* RESPONSIVE STYLES */

/* Tablet */
@media (max-width: 980px) {
  .page {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 20px;
  }

  .leaderboard {
    order: 3;
  }

  .game-header h1 {
    font-size: 1.4rem;
    text-align: center;
  }

  .subtitle {
    text-align: center;
    font-size: 0.9rem;
  }

  .controls {
    justify-content: center;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .page {
    margin: 20px auto;
    padding: 14px;
  }

  .game-header h1 {
    font-size: 1.2rem;
  }

  .subtitle {
    font-size: 0.85rem;
  }

  .name-row {
    flex-direction: column;
    gap: 10px;
  }

  #type-input {
    font-size: 0.95rem;
    min-height: 56px;
  }

  .stats-row {
    flex-direction: column;
    gap: 10px;
  }

  .stats-row > div {
    width: 100%;
  }

  button {
    width: 100%;
    text-align: center;
  }

  .leaderboard table {
    font-size: 0.85rem;
  }
}

[hidden] {
  display: none !important;
}