* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ultronic-red: #72070e;
  --ultronic-red-light: #b81621;
  --ultronic-red-bright: #e12a36;
  --ink: #0d0d0d;
  --surface: #151515;
  --surface-raised: #1b1b1b;
  --line: #303030;
  --muted: #a0a0a0;
  --text: #f0f0f0;
  background: var(--ink);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% -8%, rgba(114, 7, 14, 0.42), transparent 33rem),
    linear-gradient(180deg, #101010 0%, #090909 100%);
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid #464646;
  background: linear-gradient(180deg, #202020, #161616);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

button:hover {
  border-color: var(--ultronic-red-bright);
  background: linear-gradient(180deg, #2a1719, #1c1112);
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.app-shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 12px 14px;
  background: rgba(13, 13, 13, 0.78);
  border: 1px solid #292929;
  border-left: 4px solid var(--ultronic-red);
  border-radius: 12px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.28);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.brand-logo {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 5px 10px rgba(114, 7, 14, 0.5));
}

.eyebrow {
  letter-spacing: 0.18em;
  font-weight: 900;
  color: var(--ultronic-red-bright);
  font-size: 0.67rem;
}

h1 {
  margin: 1px 0 0;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 850;
  letter-spacing: -0.035em;
}

h2 {
  font-size: 0.95rem;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #333;
  color: #fff;
  font-weight: 850;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.brand-tagline {
  margin: 1px 0 0;
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mode-button {
  border-color: var(--ultronic-red-light);
}

.skip-endgame-button {
  border-color: #d7a438;
  background: linear-gradient(180deg, rgba(120, 83, 18, 0.72), rgba(63, 42, 9, 0.72));
}

.skip-endgame-button[hidden] {
  display: none;
}

.alliance-button.blue {
  border-color: #5f8cff;
  background: rgba(48, 78, 158, 0.34);
}

.alliance-button.red {
  border-color: #e56f67;
  background: rgba(154, 55, 49, 0.34);
}

.workspace {
  display: block;
}

.play-column {
  width: min(100%, 1000px);
  margin: 0 auto;
}

.field-card,
.panel {
  background: rgba(21, 21, 21, 0.96);
  border: 1px solid var(--line);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.32);
}

.field-card {
  border-radius: 14px;
  padding: 14px;
  min-width: 0;
  border-top: 3px solid var(--ultronic-red);
}

#fieldCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: none;
  margin: auto;
  background: #2a2e35;
  border-radius: 8px;
}

.sidebar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: min(100%, 1000px);
  margin: 18px auto 0;
}

.panel {
  border-radius: 10px;
  padding: 15px;
  border-top: 2px solid var(--ultronic-red);
}

.multiplayer-panel {
  min-width: 0;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  column-gap: 18px;
}

.multiplayer-panel h2,
.multiplayer-panel .room-error {
  grid-column: 1 / -1;
}

.multiplayer-offline {
  grid-column: 1 / -1;
  grid-template-columns: minmax(180px, 1fr) minmax(260px, 2fr);
  align-items: end;
}

.multiplayer-online {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(210px, 0.8fr) minmax(260px, 1.2fr) auto;
  align-items: center;
  gap: 12px;
}

.multiplayer-online[hidden] {
  display: none;
}

.multiplayer-offline[hidden] {
  display: none;
}

.room-field,
.multiplayer-offline {
  display: grid;
  gap: 8px;
}

.room-field span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.room-field input,
.join-room-row input {
  width: 100%;
  min-width: 0;
  border: 1px solid #3a3a3a;
  border-radius: 6px;
  padding: 9px 10px;
  background: #0e0e0e;
  color: #fff;
  outline: none;
}

.room-field input:focus,
.join-room-row input:focus {
  border-color: var(--ultronic-red-bright);
  box-shadow: 0 0 0 2px rgba(114, 7, 14, 0.3);
}

.room-buttons {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr);
  gap: 8px;
}

.join-room-row,
.room-code-row,
.room-status-row {
  display: flex;
  align-items: center;
  gap: 7px;
}

.join-room-row input {
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.join-room-row button,
.small-button {
  padding-inline: 10px;
}

.room-code-row {
  color: var(--muted);
  font-size: 0.76rem;
}

.room-code-row strong {
  flex: 1;
  color: #fff;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
}

.room-status-row {
  margin-top: 10px;
  color: #bdbdbd;
  font-size: 0.78rem;
}

.player-list {
  display: grid;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.player-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid #303030;
  border-radius: 5px;
  background: #101010;
  color: #d2d2d2;
  font-size: 0.76rem;
}

.player-list em {
  color: var(--ultronic-red-bright);
  font-style: normal;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.leave-room-button {
  width: 100%;
}

.room-error {
  min-height: 1em;
  margin: 8px 0 0;
  color: #ff8189;
  font-size: 0.72rem;
  line-height: 1.35;
}

.status-row {
  display: flex;
  gap: 9px;
  align-items: center;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #686868;
  box-shadow: 0 0 0 4px rgba(104, 104, 104, 0.14);
  flex: 0 0 auto;
}

.status-dot.connected {
  background: #35d07f;
  box-shadow: 0 0 0 4px rgba(53, 208, 127, 0.12);
}

.small {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.telemetry-item {
  background: #0f0f0f;
  border: 1px solid #303030;
  border-radius: 7px;
  padding: 11px;
}

.telemetry-item span {
  display: block;
  color: #8d8d8d;
  font-size: 0.74rem;
  margin-bottom: 4px;
}

.telemetry-item strong {
  font-variant-numeric: tabular-nums;
}

.controls-list {
  display: grid;
  gap: 8px;
}

.controls-list div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: #b8b8b8;
  font-size: 0.84rem;
}

kbd {
  color: #fff;
  background: #101010;
  border: 1px solid #484848;
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 3px 6px;
  font-family: inherit;
  font-size: 0.76rem;
}

.slider-row {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  color: #b8b8b8;
  font-size: 0.84rem;
}

.slider-row:first-of-type {
  margin-top: 0;
}

.slider-row strong {
  color: #ffffff;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--ultronic-red-bright);
}

.scoreboard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.62fr) minmax(0, 1fr);
  min-height: 150px;
  margin: 8px 14px 0;
  overflow: hidden;
  border: 1px solid #343434;
  border-radius: 12px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(114, 7, 14, 0.28);
}

.alliance-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px clamp(18px, 3vw, 38px);
}

.red-score {
  background: linear-gradient(125deg, #3f0408, var(--ultronic-red) 54%, #a20e18);
}

.blue-score {
  background: linear-gradient(235deg, #032d50, #075e93);
}

.score-alliance,
.score-detail {
  display: block;
}

.score-alliance {
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.score-detail {
  margin-top: 6px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.82);
}

.score-detail strong {
  margin-left: 6px;
  color: #fff;
  font-size: 1.25rem;
}

.penalty-score-detail {
  color: #ffe19b;
}

.penalty-panel {
  width: calc(100% - 28px);
  margin: 8px 14px 0;
}

.penalty-heading,
.penalty-status-grid {
  display: flex;
  align-items: center;
  gap: 12px;
}

.penalty-heading {
  justify-content: space-between;
}

.penalty-heading h2 {
  margin-bottom: 4px;
}

.penalty-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.penalty-status-grid {
  margin-top: 12px;
}

.penalty-alliance-status {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  width: 50%;
  padding: 9px 11px;
  border: 1px solid #373737;
  border-radius: 7px;
  font-size: 0.76rem;
}

.penalty-alliance-status.red {
  border-left: 4px solid #d94b51;
}

.penalty-alliance-status.blue {
  border-left: 4px solid #4b82d9;
}

.penalty-alliance-status span {
  color: #c4c4c4;
  font-variant-numeric: tabular-nums;
}

.penalty-history {
  display: grid;
  gap: 4px;
  max-height: 105px;
  margin: 10px 0 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.penalty-history li {
  padding: 5px 8px;
  border-radius: 5px;
  background: #101010;
  color: #bdbdbd;
  font-size: 0.71rem;
}

.score-total {
  font-size: clamp(4rem, 9vw, 7.3rem);
  line-height: 0.8;
  font-variant-numeric: tabular-nums;
}

.match-clock {
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 15px;
  color: #171717;
  background: #f0f0f0;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.match-clock[data-phase="transition"] {
  background: #ffd56a;
}

.match-clock[data-phase="teleop"] {
  background: #e6f1ff;
}

.match-clock[data-phase="endgame"] {
  color: #fff;
  background: var(--ultronic-red);
}

.match-clock[data-phase="final"] {
  color: #fff;
  background: #191919;
}

.match-phase {
  font-weight: 900;
  letter-spacing: 0.14em;
  font-size: 0.85rem;
}

.match-time {
  margin: 2px 0 8px;
  font-size: clamp(2.8rem, 6vw, 4.7rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.match-status {
  min-height: 1em;
  margin-bottom: 7px;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.09em;
}

footer {
  color: #777;
  font-size: 0.78rem;
  margin-top: 12px;
  text-align: center;
  letter-spacing: 0.035em;
}

footer strong {
  color: var(--ultronic-red-bright);
  letter-spacing: 0.14em;
}

@media (max-width: 900px) {
  .sidebar {
    grid-template-columns: 1fr 1fr;
  }

  .scoreboard {
    grid-template-columns: 1fr 180px 1fr;
  }

  .alliance-score {
    padding: 18px 14px;
  }

  .multiplayer-online,
  .multiplayer-offline {
    grid-template-columns: 1fr;
  }

  .room-buttons {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 560px) {
  .app-shell {
    padding: 12px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-logo {
    width: 50px;
    height: 50px;
  }

  .telemetry-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .scoreboard {
    grid-template-columns: 1fr 1fr;
  }

  .match-clock {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .score-total {
    font-size: 3.8rem;
  }

  .alliance-score {
    min-width: 0;
    gap: 8px;
  }

  .penalty-status-grid {
    align-items: stretch;
    flex-direction: column;
  }

  .penalty-alliance-status {
    width: 100%;
  }
}