:root {
  /* deep-sea octopus palette (flat, no gradients/glow) */
  --abyss: #030914;
  --deep: #061021;
  --sea: #102844;
  --panel: #0d1f38;
  --fg: #dde9f3;
  --muted: #6f93ab;
  --ink: #d59bff;       /* octopus ink-purple accent */
  --biolum: #6fe0f0;    /* bioluminescent cyan (caret/highlights) */
  --correct: #ffffff;
  --incorrect: #ff6f88; /* coral */
  --incorrect-bg: rgba(255, 92, 122, 0.24);
  --line: #2e4d6b;
  --mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--fg);
  font-family: var(--mono);
  display: flex;
  justify-content: center;
  background: var(--deep);
}

.app {
  width: 100%;
  max-width: 860px;
  padding: 40px 24px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 26px;
}

h1 {
  font-size: 26px;
  margin: 0;
  color: var(--ink);
  letter-spacing: 0.5px;
}
.modes { display: flex; gap: 8px; }

.mode-btn {
  background: var(--sea);
  border: 1px solid transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.mode-btn:hover { color: var(--fg); border-color: var(--line); }
.mode-btn.active {
  color: var(--abyss);
  background: var(--biolum);
}

.text {
  font-size: 22px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
  outline: none;
  cursor: default;
  user-select: none;
  background: var(--panel);
  padding: 26px 30px;
  border-radius: 16px;
  min-height: 160px;
  border: 1px solid var(--line);
}

.char { color: var(--muted); position: relative; }
.char.pending { color: var(--muted); }
.char.correct { color: var(--correct); }
.char.incorrect { color: var(--incorrect); background: var(--incorrect-bg); border-radius: 3px; }
.char.space { white-space: pre; }
.char.newline { color: #2f4d68; }
.char.incorrect.newline { color: var(--incorrect); }

.char .typed {
  position: absolute;
  left: 50%;
  top: -0.7em;
  transform: translateX(-50%);
  font-size: 0.5em;
  line-height: 1;
  color: var(--incorrect);
  background: var(--incorrect-bg);
  border-radius: 3px;
  padding: 1px 3px;
  pointer-events: none;
  white-space: pre;
}

.char.current::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0.1em;
  height: 1.3em;
  border-left: 2px solid var(--biolum);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hint {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
kbd {
  background: var(--sea);
  border: 1px solid var(--muted);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--fg);
}

.restart {
  display: block;
  margin: 22px auto 0;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 15px;
  cursor: pointer;
  padding: 8px 18px;
  border-radius: 20px;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.restart:hover { color: var(--biolum); background: var(--sea); border-color: var(--line); }

.results {
  margin-top: 40px;
  background: var(--panel);
  border-radius: 16px;
  padding: 30px 34px;
  border: 1px solid var(--line);
}
.results h2 { margin: 0 0 22px; color: var(--ink); font-size: 19px; }
.results h3 { margin: 30px 0 12px; color: var(--fg); font-size: 15px; }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
}
.result-grid .label { display: block; font-size: 12px; color: var(--muted); }
.result-grid .big { font-size: 32px; color: var(--biolum); }

.symbol-table table { width: 100%; border-collapse: collapse; font-size: 14px; }
.symbol-table th {
  text-align: left;
  color: var(--muted);
  font-weight: normal;
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
}
.symbol-table td { padding: 6px 10px; border-bottom: 1px solid var(--sea); }
.symbol-table td.sym { color: var(--ink); font-size: 18px; }
.symbol-table td.conf { color: var(--muted); }
.symbol-table .typed-key {
  color: var(--incorrect);
  font-size: 16px;
  background: var(--incorrect-bg);
  border-radius: 3px;
  padding: 0 5px;
}
.muted { color: var(--muted); font-size: 14px; }

.reset-stats {
  margin-top: 20px;
  background: transparent;
  border: 1px solid var(--muted);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.reset-stats:hover { color: var(--incorrect); border-color: var(--incorrect); }

.footer {
  margin-top: 48px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.hidden { display: none; }