:root {
  --bg: #0e1a15;
  --bg-panel: #16261f;
  --bg-raised: #1e332a;
  --line: #2b4739;
  --ink: #e4ece6;
  --ink-dim: #8fa79a;
  --accent: #e8b33a;
  --team1: #3fb8af;
  --team2: #e8664a;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --field-reserved: 350px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background:
    radial-gradient(circle at 20% 0%, #1a2e24 0%, transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(63, 184, 175, 0.04) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(63, 184, 175, 0.04) 23px 24px),
    var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

code { font-family: var(--mono); color: var(--accent); }

[hidden] { display: none !important; }

.screen.menu, .screen.lobby {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.panel {
  width: min(480px, 100%);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

h1 {
  margin: 0;
  font-size: 40px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
  color: var(--accent);
}

h2 { margin: 0 0 4px; font-size: 22px; font-weight: 600; }

.tagline { color: var(--ink-dim); margin: 6px 0 22px; }

.code {
  font-family: var(--mono);
  letter-spacing: 0.2em;
  color: var(--accent);
}

.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-size: 13px; color: var(--ink-dim); margin-bottom: 6px; }
.field.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.field.row > span { margin: 0; }

input[type="text"], select {
  width: 100%;
  padding: 11px 13px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  font: inherit;
}

select { width: auto; }

input[type="text"]:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

input:disabled, select:disabled, button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#code-input { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.25em; }

button {
  width: 100%;
  padding: 11px 16px;
  margin-bottom: 10px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, transform 0.06s;
}

button:hover:not(:disabled) { background: #294538; border-color: #3d6250; }
button:active:not(:disabled) { transform: translateY(1px); }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1206;
  font-weight: 650;
}

button.primary:hover:not(:disabled) { background: #f3c556; border-color: #f3c556; }

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--ink-dim);
  font-size: 13px;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.error { color: var(--team2); min-height: 20px; margin: 6px 0 0; font-size: 14px; }
.hint { color: var(--ink-dim); font-size: 13px; margin: 4px 0 14px; }

.rules { margin-top: 20px; border-top: 1px solid var(--line); padding-top: 14px; }
.rules summary { cursor: pointer; color: var(--ink-dim); }
.rules p { font-size: 14px; color: var(--ink-dim); }

.lobby-players { margin-bottom: 20px; display: grid; gap: 8px; }

.lobby-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--team);
  border-radius: 9px;
}

.lobby-player .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--team);
}

.lobby-player .name { flex: 1; font-weight: 550; }

.team-switch { display: flex; gap: 6px; }
.team-switch button {
  width: auto;
  margin: 0;
  padding: 5px 11px;
  font-size: 13px;
  border-radius: 7px;
}
.team-switch button.active {
  background: var(--team);
  border-color: var(--team);
  color: #10201a;
  font-weight: 600;
}

.screen.game { display: flex; flex-direction: column; height: 100%; }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-size: 15px;
}

.turn { flex: 1; font-weight: 600; }

.topbar .right { display: flex; align-items: center; gap: 12px; }
.topbar button { width: auto; margin: 0; padding: 7px 13px; font-size: 14px; }

.timer {
  font-family: var(--mono);
  font-size: 19px;
  min-width: 52px;
  text-align: right;
}
.timer.urgent { color: var(--team2); }

.status { font-size: 13px; color: var(--ink-dim); }
.status[data-status="online"]::before { content: "● "; color: var(--team1); }
.status[data-status="offline"]::before { content: "● "; color: var(--team2); }
.status[data-status="connecting"]::before { content: "● "; color: var(--accent); }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  padding: 16px;
  min-height: 0;
}

.field-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  min-height: 0;
  align-items: center;
}

#field {
  width: min(100%, calc((100vh - var(--field-reserved)) * 770 / 450));
  aspect-ratio: 770 / 450;
  background: #f2efe4;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 900px;
}

.fn-row { display: flex; align-items: center; gap: 10px; }

.fn-prefix {
  font-family: var(--mono);
  font-size: 19px;
  color: var(--accent);
}

#fn-input {
  flex: 1;
  font-family: var(--mono);
  font-size: 17px;
  padding: 12px 14px;
}

#fire-btn { width: auto; margin: 0; padding: 12px 30px; font-size: 16px; }

.keypad { display: grid; gap: 5px; }
.keypad-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; }

.key {
  width: 100%;
  margin: 0;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 14px;
  border-radius: 7px;
}
.key-fn { color: var(--team1); }
.key-op { color: var(--accent); }
.key-ctl { color: var(--team2); }

.side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}

.player-list { display: grid; gap: 6px; }

.player-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 11px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--team);
  border-radius: 8px;
  font-size: 14px;
}
.player-row.active { background: var(--bg-raised); box-shadow: inset 0 0 0 1px var(--team); }
.player-row.offline { opacity: 0.45; }
.player-row .alive { font-family: var(--mono); color: var(--ink-dim); }

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-dim);
  cursor: pointer;
}
.toggle input { accent-color: var(--accent); }

.chat-log {
  flex: 1;
  min-height: 120px;
  overflow-y: auto;
  padding: 10px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.chat-line { margin-bottom: 4px; }
.chat-line.system { color: var(--ink-dim); font-style: italic; }
.chat-line .author { font-weight: 650; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 20px);
  padding: 12px 20px;
  background: var(--team2);
  color: #1a0b06;
  font-weight: 600;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  max-width: min(560px, 90vw);
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .side { max-height: 300px; }
}