:root {
  --jass-bg: #0b0b0b;
  --jass-ink: #f4f1ee;
  --jass-muted: #b8b0aa;
  --jass-red: #d51212;
  --jass-red-deep: #8c0c0c;
  --jass-line: #2a2a2a;
  --jass-pad: #161616;
  --jass-sans: "Source Sans 3", "Segoe UI", sans-serif;
  --jass-display: "Anton", Impact, "Arial Black", sans-serif;
  --jass-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--jass-bg);
  color: var(--jass-ink);
}

body.jass {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--jass-sans);
  font-size: 1.05rem;
  line-height: 1.45;
}

a {
  color: var(--jass-red);
}

a:hover {
  color: #ff4d4d;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.6rem 0.9rem;
  background: var(--jass-ink);
  color: var(--jass-bg);
}

.skip-link:focus {
  top: 1rem;
}

.jass-wrap {
  width: min(40rem, calc(100% - 1.5rem));
  margin-inline: auto;
}

.jass-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.85rem 0 0.4rem;
  font-size: 0.92rem;
  color: var(--jass-muted);
}

.jass-top a {
  color: inherit;
  text-decoration: none;
  font-weight: 700;
}

.jass-top a:hover {
  color: var(--jass-red);
}

.jass-hero {
  padding: 0.4rem 0 0.8rem;
  text-align: center;
}

.jass-gloves {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  margin: 0 0 0.35rem;
  font-size: 2.4rem;
  line-height: 1;
}

.jass-hero h1 {
  margin: 0;
  font-family: var(--jass-display);
  font-size: clamp(2.8rem, 14vw, 4.6rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 0.95;
}

.jass-hero p {
  margin: 0.45rem 0 0;
  color: var(--jass-muted);
}

.jass-board {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.4rem 0 1rem;
}

.jass-phase {
  margin: 0;
  text-align: center;
  font-family: var(--jass-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 1.15rem;
  color: var(--jass-red);
}

.jass-board.is-rest .jass-phase {
  color: var(--jass-muted);
}

.jass-board.is-done .jass-phase {
  color: var(--jass-ink);
}

.jass-clock {
  margin: 0.15rem 0 0;
  text-align: center;
  font-family: var(--jass-mono);
  font-weight: 500;
  font-size: clamp(4.2rem, 22vw, 7.2rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  font-variant-numeric: tabular-nums;
}

.jass-meta {
  margin: 0.45rem 0 0;
  text-align: center;
  color: var(--jass-muted);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.jass-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.55rem;
  margin: 1.15rem 0 0;
}

.jass-btn {
  min-height: 3.4rem;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.jass-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.jass-btn-start {
  background: var(--jass-red);
  color: #fff;
}

.jass-btn-start:hover:not(:disabled) {
  background: #f01818;
}

.jass-btn-pause {
  background: #2a2a2a;
  color: var(--jass-ink);
}

.jass-btn-reset {
  background: #111;
  color: var(--jass-ink);
  border: 1px solid var(--jass-line);
}

.jass-settings {
  margin: 0 0 1.2rem;
  padding: 1rem 1rem 1.1rem;
  background: var(--jass-pad);
  border: 1px solid var(--jass-line);
  border-radius: 12px;
}

.jass-settings h2 {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jass-muted);
}

.jass-fields {
  display: grid;
  gap: 0.75rem;
}

.jass-field label,
.jass-field span {
  display: block;
  margin: 0 0 0.3rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.jass-field input,
.jass-field select,
.jass-field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  background: #0f0f0f;
  color: var(--jass-ink);
  font: inherit;
}

.jass-field textarea {
  min-height: 4.6rem;
  resize: vertical;
  font-family: var(--jass-mono);
}

.jass-field input:disabled,
.jass-field select:disabled,
.jass-field textarea:disabled {
  opacity: 0.55;
}

.jass-hint {
  margin: 0.35rem 0 0;
  color: var(--jass-muted);
  font-size: 0.88rem;
}

.jass-error {
  margin: 0.65rem 0 0;
  color: #ff8a8a;
  font-weight: 700;
}

.jass-error[hidden] {
  display: none;
}

.jass-foot {
  padding: 0.7rem 0 1.1rem;
  color: var(--jass-muted);
  font-size: 0.88rem;
  text-align: center;
}

.jass-foot p {
  margin: 0;
}

@media (max-width: 520px) {
  .jass-controls {
    grid-template-columns: 1fr;
  }

  .jass-btn {
    min-height: 3.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .jass-btn-start:hover:not(:disabled) {
    background: var(--jass-red);
  }
}