:root {
  --asphalt: #16171b;
  --panel: #1f2126;
  --panel-line: #30333a;
  --paper: #eceae4;
  --muted: #8b8d94;
  --amber: #e7b23c;
  --amber-dark: #a67e22;
  --go: #2f9e44;
  --go-dark: #237035;
  --stop: #c92a2a;
  --stop-dark: #931f1f;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--asphalt);
  color: var(--paper);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}
.checker-strip {
  height: 10px;
  width: 100%;
  background-image:
    repeating-conic-gradient(#e7b23c 0% 25%, #16171b 0% 50%);
  background-size: 20px 20px;
}
.layout {
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    minmax(0, 1fr)
    minmax(0, 1.5fr);
  column-gap: 44px;
  row-gap: 22px;
  max-width: 1900px;
  margin: 0 auto;
  padding: 40px 20px 70px 16px;
  align-items: start;
}
@media (max-width: 1500px) {
  .layout { grid-template-columns:
    minmax(0, 1fr)
    minmax(0, 1fr)
    minmax(0, 1.5fr); }
}
@media (max-width: 1100px) {
  .layout {
   grid-template-columns: 1fr;
    padding: 28px 16px 56px;
    row-gap: 26px;
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 10px;
  padding: 24px;
}
.panel-cars { margin-top: 56px; }
@media (max-width: 1100px) {
  .panel-cars { margin-top: 0; }
}
@media (max-width: 640px) {
  .panel { padding: 16px; }
}
.panel h2 {
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 18px;
  font-weight: 600;
}

/* --- Columna izquierda: pilotos --- */
.name-form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.name-form input {
  width: 100%;
  background: var(--asphalt);
  border: 1px solid var(--panel-line);
  border-radius: 6px;
  color: var(--paper);
  padding: 13px 14px;
  font-size: 16px;
  font-family: inherit;
}
.name-form input:focus { outline: 2px solid var(--amber); outline-offset: 1px; }
.name-form button {
  width: 100%;
  background: var(--amber);
  color: #241a05;
  border: none;
  border-radius: 6px;
  padding: 12px 16px;
  font-weight: 700;
  cursor: pointer;
  font-size: 16px;
}
.name-form button:hover { background: #f0be52; }
.name-count { font-size: 13px; color: var(--muted); margin: -10px 0 16px; }

.name-list { display: flex; flex-direction: column; gap: 8px; max-height: 60vh; overflow-y: auto; }
@media (max-width: 1100px) {
  .name-list { max-height: 46vh; }
}
.name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 6px;
  border: 1px solid transparent;
}
.name-btn {
  flex: 1;
  text-align: left;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--panel-line);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  cursor: pointer;
}
.name-btn:hover { border-color: var(--amber); }
.name-btn.selected {
  background: rgba(231, 178, 60, 0.14);
  border-color: var(--amber);
  color: var(--amber);
  font-weight: 600;
}
.name-btn:disabled {
  opacity: 0.5;
  cursor: default;
}
.name-btn.selected:disabled {
  opacity: 0.85;
}
.name-del {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 6px;
}
.name-del:hover { color: var(--stop); }
.name-del:disabled { opacity: 0.3; cursor: default; }
.empty-hint { color: var(--muted); font-size: 14px; padding: 10px 2px; }
@media (max-width: 640px) {
  .name-btn { padding: 13px 12px; }
  .name-del { padding: 10px; font-size: 20px; }
}

/* --- Columna central --- */
.center-col { text-align: center; padding-top: 4px; }
.title {
  font-family: "Bebas Neue", "Inter", sans-serif;
  font-size: 68px;
  letter-spacing: 0.03em;
  line-height: 1;
  margin: 0;
  color: var(--paper);
}
.title-underline {
  width: 120px;
  height: 4px;
  background: var(--amber);
  margin: 14px auto 26px;
  border-radius: 2px;
}
@media (max-width: 1100px) {
  .title { font-size: clamp(30px, 8vw, 56px); }
}

.selected-tag {
  display: inline-block;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--asphalt);
  background: var(--amber);
  padding: 10px 32px;
  border-radius: 999px;
  margin-bottom: 22px;
  min-height: 20px;
}
.selected-tag.none {
  background: transparent;
  border: 1px dashed var(--panel-line);
  color: var(--muted);
  font-weight: 500;
  font-size: 20px;
}
@media (max-width: 1100px) {
  .selected-tag { font-size: clamp(18px, 4.2vw, 26px); padding: 9px 24px; }
  .selected-tag.none { font-size: clamp(15px, 3.6vw, 18px); }
}

.clock {
  font-family: "Bebas Neue", "Inter", sans-serif;
  font-variant-numeric: tabular-nums;
  font-size: 160px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 0 0 32px;
}
.clock.running { color: var(--go); }
.clock.stopped-with-value { color: var(--amber); }
@media (max-width: 1100px) {
  .clock { font-size: clamp(56px, 20vw, 120px); margin-bottom: 24px; }
}

.race-controls { display: flex; gap: 16px; justify-content: center; margin-bottom: 18px; }
.race-controls button {
  font-family: "Bebas Neue", "Inter", sans-serif;
  font-size: 26px;
  letter-spacing: 0.05em;
  padding: 18px 0;
  width: 180px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  color: #fff;
  transition: transform 0.08s ease, opacity 0.15s ease;
}
.race-controls button:active { transform: scale(0.96); }
.race-controls button:disabled { opacity: 0.3; cursor: default; transform: none; }
.btn-go { background: var(--go); }
.btn-go:hover:not(:disabled) { background: var(--go-dark); }
.btn-stop { background: var(--stop); }
.btn-stop:hover:not(:disabled) { background: var(--stop-dark); }
@media (max-width: 1100px) {
  .race-controls { gap: 12px; }
  .race-controls button {
    width: auto;
    flex: 1 1 0;
    max-width: 220px;
    font-size: clamp(18px, 4.5vw, 24px);
    padding: 17px 0;
  }
}

.btn-clear {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 11px 40px;
  border-radius: 8px;
  border: 2px solid var(--panel-line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  margin-top: 12px;
}
.btn-clear:hover:not(:disabled) { border-color: var(--stop); color: var(--stop); }
.btn-clear:disabled { opacity: 0.3; cursor: default; }
@media (max-width: 640px) {
  .btn-clear { width: 100%; padding: 13px 24px; }
}

.save-hint { font-size: 12px; color: var(--muted); margin-top: 10px; min-height: 14px; }

/* --- Columna derecha: ranking --- */
.board-total { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.board-header {
  display: grid;
  grid-template-columns: 70px 2fr 1fr 76px;
  gap: 16px;
  padding: 0 16px 10px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--panel-line);
  margin-bottom: 10px;
}
.board-header span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.board-list { display: flex; flex-direction: column; gap: 10px; max-height: 74vh; overflow-y: auto; }
@media (max-width: 1100px) {
  .board-list { max-height: 46vh; }
}
.board-row {
  display: grid;
  grid-template-columns: 70px 2fr 1fr 76px;
  align-items: center;
  gap: 16px;
  padding: 16px 14px;
  border-radius: 8px;
  border: 1px solid var(--panel-line);
  font-size: 18px;
}
.board-row.rank-1 { border-color: var(--amber); background: rgba(231, 178, 60, 0.08); }
.board-pos { color: var(--muted); font-weight: 700; font-size: 18px; }
.board-row.rank-1 .board-pos { color: var(--amber); }
.board-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 19px; }
.board-time { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--amber); font-size: 19px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.board-del {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 14px;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px 6px;
}
.board-del:hover { color: var(--stop); }

.confirm-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: stretch;
  font-size: 11px;
}
.confirm-row span { display: none; }
.confirm-yes, .confirm-no {
  border: none;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.confirm-yes { background: var(--stop); color: #fff; }
.confirm-no { background: var(--panel-line); color: var(--paper); }

@media (max-width: 640px) {
  .board-header,
  .board-row {
    grid-template-columns: 38px 2fr 1fr 54px;
    gap: 6px;
  }
  .board-header { font-size: 9.5px; letter-spacing: 0.02em; padding: 0 6px 8px; }
  .board-row { padding: 10px 8px; font-size: 14px; }
  .board-pos { font-size: 14px; }
  .board-name { font-size: 14px; }
  .board-time { font-size: 14px; }
  .board-del { font-size: 11px; padding: 8px 6px; }
  .confirm-row { gap: 6px; }
  .confirm-yes, .confirm-no { padding: 7px 4px; font-size: 11px; }
}