:root {
  color-scheme: dark;
  --bg: #101419;
  --panel: #171d24;
  --panel-2: #1d252d;
  --line: #2b3540;
  --text: #edf4f0;
  --muted: #9aa9a6;
  --accent: #30d394;
  --accent-2: #f0c75e;
  --danger: #ff6b6b;
  --ink: #050807;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    linear-gradient(135deg, rgba(48, 211, 148, 0.11), transparent 34%),
    radial-gradient(circle at 78% 10%, rgba(240, 199, 94, 0.10), transparent 26%),
    var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  min-width: 42px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(48, 211, 148, 0.45);
  border-radius: 8px;
  background: #07110d;
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.topbar-actions {
  display: flex;
  align-items: end;
  gap: 10px;
}

.name-field {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.name-field input,
.typing-box input,
.save-score-form input {
  border: 1px solid var(--line);
  background: #0d1116;
  color: var(--text);
  outline: 0;
}

.name-field input {
  width: 170px;
  height: 38px;
  border-radius: 8px;
  padding: 0 12px;
}

.name-field input:focus,
.typing-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(48, 211, 148, 0.16);
}

.icon-button,
.primary-button,
.ghost-button,
.segmented button {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.icon-button {
  display: grid;
  min-width: 52px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  padding: 0 12px;
  font-size: 0.84rem;
  font-weight: 800;
}

.ghost-button {
  height: 34px;
  border-radius: 8px;
  padding: 0 12px;
  color: var(--muted);
}

.primary-button {
  height: 38px;
  border-color: var(--accent);
  border-radius: 8px;
  background: rgba(48, 211, 148, 0.14);
  color: var(--accent);
  font-weight: 800;
}

.primary-button:disabled {
  cursor: default;
  opacity: 0.62;
}

.icon-button:hover,
.primary-button:not(:disabled):hover,
.ghost-button:hover,
.segmented button:hover {
  border-color: rgba(48, 211, 148, 0.65);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.test-panel,
.side-panel > section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 29, 36, 0.94);
  box-shadow: var(--shadow);
}

.test-panel {
  padding: 22px;
}

.panel-head,
.section-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 4.2rem;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  font-size: 1rem;
  letter-spacing: 0;
}

.timer {
  display: grid;
  min-width: 96px;
  padding: 12px 14px;
  border: 1px solid rgba(48, 211, 148, 0.28);
  border-radius: 8px;
  background: #07110d;
  text-align: center;
}

.timer span {
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
}

.timer small,
.metrics small,
.result-grid small {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  margin: 22px 0;
}

.control-group {
  display: grid;
  gap: 8px;
}

.control-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.segmented button {
  min-height: 36px;
  border-radius: 8px;
  padding: 0 12px;
  color: var(--muted);
  font-weight: 800;
}

.segmented.compact {
  flex-wrap: nowrap;
}

.segmented button.active {
  border-color: var(--accent);
  background: rgba(48, 211, 148, 0.13);
  color: var(--accent);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.metrics div,
.result-grid div {
  display: grid;
  gap: 3px;
  min-height: 74px;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111820;
  padding: 12px;
}

.metrics span,
.result-grid span {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.6rem;
  font-weight: 800;
}

.command-stream {
  height: clamp(170px, 28vh, 280px);
  display: grid;
  align-content: start;
  gap: 6px;
  overflow-anchor: none;
  overflow-y: auto;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b1014;
  padding: 14px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.18rem;
  line-height: 1.6;
}

.command-row {
  display: flex;
  gap: 12px;
  align-items: center;
  width: max-content;
  min-width: 100%;
  height: calc(1.6em + 8px);
  border-left: 3px solid transparent;
  border-radius: 6px;
  padding: 4px 8px;
  color: #d5dedb;
}

.command-row.current {
  border-left-color: var(--accent-2);
  background: rgba(240, 199, 94, 0.08);
}

.command-row.done {
  color: rgba(154, 169, 166, 0.42);
}

.command-row.bad {
  border-left-color: var(--danger);
}

.command-row.done.bad {
  color: rgba(237, 244, 240, 0.8);
}

.command-prompt {
  flex: 0 0 auto;
  color: var(--accent);
  font-weight: 800;
  user-select: none;
}

.command-body {
  flex: 0 0 auto;
  min-width: max-content;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.command-char {
  border-radius: 4px;
  white-space: pre;
}

.command-char.correct {
  color: var(--accent);
}

.command-char.pending {
  color: #d5dedb;
}

.command-row.current .command-char.pending {
  color: rgba(213, 222, 219, 0.75);
}

.command-row.done .command-char.pending {
  color: rgba(154, 169, 166, 0.42);
}

.command-char.wrong {
  background: rgba(255, 107, 107, 0.18);
  color: #ff8a8a;
}

.command-char.extra {
  text-decoration: line-through;
}

.command-char.missing {
  color: rgba(255, 138, 138, 0.7);
}

.command-char.first-typo {
  box-shadow: inset 0 -2px 0 var(--danger);
}

.typing-caret {
  display: inline-block;
  width: 0;
  height: 1.2em;
  margin: 0;
  position: relative;
  left: -1px;
  background: transparent;
  vertical-align: -0.18em;
  animation: caret-blink 1s steps(2, start) infinite;
}

.typing-caret::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 1.2em;
  background: var(--accent-2);
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

.typing-box {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  color: var(--muted);
  font-weight: 800;
}

.typing-box-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.inline-timer {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  min-width: 58px;
  justify-content: center;
  border: 1px solid rgba(48, 211, 148, 0.32);
  border-radius: 6px;
  background: #07110d;
  color: var(--accent);
  padding: 4px 8px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.inline-timer span {
  font-size: 1rem;
  font-weight: 900;
}

.typing-box input {
  width: 100%;
  height: 58px;
  border-radius: 8px;
  padding: 0 16px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.2rem;
}

.typing-box input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15);
}

.side-panel {
  display: grid;
  gap: 18px;
}

.terminal-visual {
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 7px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: #0b1014;
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-bar span:nth-child(1) {
  background: #ff6b6b;
}

.terminal-bar span:nth-child(2) {
  background: #f0c75e;
}

.terminal-bar span:nth-child(3) {
  background: #30d394;
}

.terminal-visual pre {
  min-height: 150px;
  margin: 0;
  padding: 16px;
  color: rgba(237, 244, 240, 0.86);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  line-height: 1.65;
  white-space: pre-wrap;
}

.leaderboard,
.result-panel {
  padding: 16px;
}

.leaderboard-groups {
  display: grid;
  gap: 18px;
  margin-top: 14px;
}

.leaderboard-group {
  display: grid;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.leaderboard-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.leaderboard-group h3 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.leaderboard-group.featured h3 {
  color: var(--accent);
}

.leaderboard-group h3 button {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
  font-weight: 800;
  letter-spacing: 0;
  text-align: left;
  text-transform: uppercase;
}

.leaderboard-group h3 button:hover {
  color: var(--accent);
}

.board-toggle {
  justify-self: start;
  margin-top: 2px;
}

.board-note {
  border: 1px solid rgba(240, 199, 94, 0.38);
  border-radius: 6px;
  padding: 2px 7px;
  color: var(--accent-2);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.score-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.score-list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111820;
  padding: 8px 10px;
}

.score-list li.empty-state {
  display: block;
}

.rank {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 6px;
  background: rgba(48, 211, 148, 0.12);
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-weight: 800;
}

.score-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
}

.score-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.score-wpm {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-weight: 900;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 14px;
  color: var(--muted);
  text-align: center;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.result-mode {
  margin: 6px 0 0;
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.save-score-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.save-score-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.save-score-form input {
  width: 100%;
  height: 40px;
  border-radius: 8px;
  padding: 0 12px;
}

.save-score-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(48, 211, 148, 0.16);
  outline: 0;
}

.save-score-form input.attention {
  animation: name-attention 900ms ease-in-out 2;
}

@keyframes name-attention {
  0%,
  100% {
    border-color: var(--line);
    box-shadow: none;
  }

  45% {
    border-color: var(--accent-2);
    box-shadow: 0 0 0 3px rgba(240, 199, 94, 0.22);
  }
}

.save-actions {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.save-status {
  min-width: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.hidden {
  display: none;
}

@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 3.2rem;
  }

  .side-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 14px;
  }

  .topbar,
  .panel-head,
  .controls {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .topbar {
    display: grid;
  }

  .topbar-actions {
    align-items: end;
  }

  .name-field {
    flex: 1;
  }

  .name-field input {
    width: 100%;
  }

  .timer {
    width: 100%;
  }

  h1 {
    font-size: 2.4rem;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .command-stream {
    height: clamp(105px, 18vh, 150px);
    padding: 10px;
    font-size: 1rem;
  }

  .command-row {
    height: calc(1.6em + 6px);
    padding: 3px 7px;
  }

  .side-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) and (max-height: 700px) {
  .command-stream {
    height: 96px;
  }
}