:root {
  --bg: #0b0f14;
  --fg: #f4f7fb;
  --muted: #8b9bb0;
  --accent: #21c07a;
  --home: #4aa3ff;
  --away: #ff7a59;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  margin: 0;
}

[hidden] {
  display: none !important;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------------------------------------------------------------- display */
.display {
  display: grid;
  place-items: center;
}

.board {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(1rem, 4vw, 5rem);
  padding: clamp(1rem, 4vw, 4rem);
}

.board .side {
  text-align: center;
}

.board .team {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

#side-home .team { color: var(--home); }
#side-away .team { color: var(--away); }

.board .score {
  font-size: clamp(6rem, 22vw, 20rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.board .center {
  display: grid;
  justify-items: center;
  gap: 0.6em;
}

.board .clock {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
}

.board .status {
  font-size: clamp(1rem, 2.5vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  min-height: 1.2em;
}

.board .set-history {
  font-size: clamp(1rem, 2vw, 1.75rem);
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.board .subs {
  margin-top: 0.4em;
  font-size: clamp(1rem, 2.4vw, 2rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.serve-dot {
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-right: 0.35em;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

/* ------------------------------------------------------------------ admin */
.admin {
  padding: clamp(1rem, 3vw, 2rem);
}

.panel {
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.panel h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.field select {
  appearance: none;
  font: inherit;
  font-size: 1rem;
  color: var(--fg);
  background: #121821;
  border: 0;
  box-shadow: inset 0 0 0 1px #2a3646;
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
}

.status-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.status-row .status {
  flex: 1;
  min-width: 6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.match-controls {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.name-input {
  width: 100%;
  font: inherit;
  font-weight: 600;
  text-align: center;
  color: var(--fg);
  background: transparent;
  border: 0;
  border-bottom: 1px solid #2a3646;
  padding: 0.3rem 0.2rem;
}

.name-input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.score-control .subs {
  font-size: 0.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  min-height: 1.1em;
}

.clock-row {
  display: grid;
  gap: 1rem;
  justify-items: center;
  padding: 1.5rem;
  background: #121821;
  border-radius: 16px;
}

.clock-row .clock {
  font-size: 3.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.clock-buttons,
.score-buttons,
.danger-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.score-control {
  display: grid;
  gap: 0.75rem;
  justify-items: center;
  padding: 1.5rem;
  background: #121821;
  border-radius: 16px;
}

.score-control .team {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.score-control .score {
  font-size: 3rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  background: var(--accent);
  color: #05130c;
  cursor: pointer;
}

button:active {
  transform: translateY(1px);
}

button.ghost {
  background: transparent;
  color: var(--muted);
  box-shadow: inset 0 0 0 1px #2a3646;
}

.danger-row {
  margin-top: 0.5rem;
}

/* ------------------------------------------------------------- video (admin) */
.videos {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: #121821;
  border-radius: 16px;
}

.videos-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.video-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.video-list .muted,
.panel .muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.video-item {
  display: flex;
  align-items: stretch;
  gap: 1px;
}

.video-item button:first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.video-item .del {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  padding: 0.7rem 0.8rem;
  min-width: 4rem;
}

.video-list button.playing {
  background: var(--home);
  color: #04121f;
}

.video-upload {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid #2a3646;
}

.video-upload input[type="file"] {
  color: var(--muted);
  font: inherit;
  max-width: 100%;
}

/* ----------------------------------------------------------- video (display) */
.video-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  display: grid;
  place-items: center;
  z-index: 100;
}

.video-overlay video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.arm-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.75rem;
  border: 0;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  cursor: pointer;
}

.arm-screen .arm-play {
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--accent);
}

.arm-screen span:not(.arm-play) {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 600;
}

.arm-screen small {
  color: var(--muted);
}