:root {
  --navy: #072c4d;
  --blue: #174897;
  --signal-blue: #1b5da5;
  --teal-dark: #0d8792;
  --teal: #16b4b0;
  --purple: #4d1a5e;
  --burgundy: #8d0e36;
  --orange: #f2670a;
  --cream: #fbf6eb;
  --paper: #fffdf7;
  --ink: #10263c;
  --muted: #6d7b88;
  --line: #dbe2e8;
  --green: #1f9d64;
  --red: #df3848;
  --shadow: 0 12px 30px rgba(7, 44, 77, .12);
  --radius: 22px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(22,180,176,.09), transparent 22%),
    linear-gradient(225deg, rgba(242,103,10,.08), transparent 22%),
    var(--cream);
  color: var(--ink);
}
button, input, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app-shell { width: min(1500px, 100%); margin: 0 auto; padding: 14px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  margin-bottom: 14px;
  border-radius: 24px;
  color: white;
  background:
    linear-gradient(120deg, var(--navy) 0 37%, var(--blue) 37% 51%, var(--teal-dark) 51% 64%, var(--purple) 64% 78%, var(--burgundy) 78% 89%, var(--orange) 89% 100%);
  box-shadow: var(--shadow);
}
.brand-block { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 2.2rem; filter: drop-shadow(0 3px 4px rgba(0,0,0,.2)); }
.brand-block h1 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.35rem); letter-spacing: .08em; }
.brand-block p { margin: 2px 0 0; opacity: .9; font-weight: 600; }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.btn {
  border: 0;
  border-radius: 13px;
  padding: 10px 15px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .12s ease, filter .12s ease, opacity .12s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.04); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--orange), #ff8a24); }
.btn-secondary { color: var(--navy); background: #fff; }
.btn-ghost { color: var(--navy); background: #eef3f6; }
.topbar .btn-ghost { color: #fff; background: rgba(255,255,255,.16); }
.btn-small { padding: 8px 11px; font-size: .86rem; }
.btn-miss { background: #263746; color: #fff; min-width: 92px; }

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(360px, 2fr);
  gap: 14px;
  align-items: start;
}
.game-display, .side-column { display: grid; gap: 14px; }
.panel {
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(7,44,77,.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.active-zone { padding: 18px 22px; position: relative; overflow: hidden; }
.active-zone::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: linear-gradient(var(--orange), var(--teal), var(--blue));
}
.active-meta, .panel-title-row, .board-head { display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.eyebrow { text-transform: uppercase; font-weight: 900; letter-spacing: .12em; font-size: .73rem; color: var(--teal-dark); }
.turn-info { padding: 7px 11px; border-radius: 999px; font-weight: 800; background: #edf7f7; color: var(--teal-dark); }
.active-main { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 5px; gap: 20px; }
.active-player-name { font-size: clamp(2rem, 5vw, 4.2rem); font-weight: 950; line-height: .95; color: var(--navy); }
.active-subtitle { margin-top: 8px; color: var(--muted); font-weight: 800; }
.active-score { font-size: clamp(3.2rem, 8vw, 6.2rem); font-weight: 950; line-height: .8; color: var(--orange); font-variant-numeric: tabular-nums; }
.throw-slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.throw-slot {
  min-height: 62px;
  display: grid;
  place-items: center;
  border: 2px dashed #d4dce2;
  border-radius: 14px;
  font-size: 1.3rem;
  font-weight: 950;
  color: #8b99a4;
  background: #fafcfd;
}
.throw-slot.filled { border-style: solid; border-color: #b8dfe0; color: var(--navy); background: #edfafa; }
.turn-message { min-height: 23px; margin-top: 10px; color: var(--muted); font-weight: 700; }
.turn-message.good { color: var(--green); }
.turn-message.warn { color: var(--orange); }

.board-panel { padding: 18px; }
.board-head h2, .panel-title-row h2 { margin: 3px 0 0; color: var(--navy); font-size: 1.1rem; }
.dartboard-wrap { width: min(52vh, 500px); max-width: 100%; margin: 6px auto 0; aspect-ratio: 1; }
.dartboard { display: block; width: 100%; height: 100%; overflow: visible; user-select: none; }
.dartboard .segment { cursor: pointer; transition: filter .12s ease, opacity .12s ease; stroke: rgba(255,255,255,.28); stroke-width: .45; }
.dartboard .segment:hover { filter: brightness(1.25); }
.dartboard .ring-outline { fill: none; stroke: #13202b; stroke-width: 1.4; pointer-events: none; }
.dartboard text { pointer-events: none; font-weight: 900; fill: #f7f3e8; font-size: 8px; text-anchor: middle; dominant-baseline: middle; }
.board-legend { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: center; font-size: .8rem; font-weight: 750; color: #51606d; }
.legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.legend-dot.single { background: #20272c; }
.legend-dot.double { background: var(--red); }
.legend-dot.triple { background: var(--green); }
.legend-dot.bull { background: var(--teal); }

.scoreboard-panel, .quick-panel { padding: 14px 16px; }
.scoreboard { margin-top: 12px; overflow-x: auto; }
.score-table { width: 100%; border-collapse: separate; border-spacing: 0 5px; min-width: 420px; }
.score-table th { padding: 7px 8px; font-size: .78rem; color: #667581; text-align: center; }
.score-table th:first-child { text-align: left; }
.score-table td { padding: 6px 8px; text-align: center; background: #f3f7f9; font-weight: 850; }
.score-table td:first-child { border-radius: 12px 0 0 12px; text-align: left; color: var(--navy); font-size: 1.05rem; }
.score-table td:last-child { border-radius: 0 12px 12px 0; }
.score-table .active-col { background: #e7f8f7; }
.mark { font-size: 1.38rem; letter-spacing: .03em; }
.mark.closed { color: var(--green); }
.score-head { color: var(--navy) !important; }
.score-number { color: var(--orange); font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.closed-target { opacity: .67; }

.quick-input { display: grid; gap: 8px; margin-top: 12px; }
.quick-row { display: grid; grid-template-columns: 58px repeat(3, 1fr); gap: 7px; align-items: center; }
.quick-row.bull-row { grid-template-columns: 58px repeat(2, 1fr); }
.quick-label { font-size: 1.15rem; font-weight: 950; color: var(--navy); text-align: center; }
.quick-btn {
  padding: 10px 6px;
  border: 0;
  border-radius: 11px;
  font-weight: 900;
  cursor: pointer;
  color: #fff;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.12);
}
.quick-btn.simple { background: var(--navy); }
.quick-btn.double { background: var(--red); }
.quick-btn.triple { background: var(--green); }
.quick-btn.bull { background: var(--teal-dark); }
.quick-btn:hover { filter: brightness(1.08); }

.setup-dialog, .winner-dialog { border: 0; padding: 0; border-radius: 24px; width: min(760px, calc(100vw - 24px)); box-shadow: 0 25px 70px rgba(0,0,0,.28); }
.setup-dialog::backdrop, .winner-dialog::backdrop { background: rgba(7, 26, 43, .66); backdrop-filter: blur(3px); }
.setup-dialog form { padding: 22px; background: var(--paper); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dialog-head h2, .winner-card h2 { margin: 4px 0 0; font-size: 1.8rem; color: var(--navy); }
.icon-button { border: 0; background: #eff2f4; width: 38px; height: 38px; border-radius: 50%; font-size: 1.6rem; cursor: pointer; color: var(--navy); }
.form-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 12px; margin-top: 18px; }
.field { display: grid; gap: 7px; font-weight: 800; color: var(--navy); }
.field input, .field select { width: 100%; padding: 11px 12px; border: 1px solid #ccd7de; border-radius: 12px; background: #fff; color: var(--ink); }
.rule-card { padding: 12px 14px; border-radius: 14px; background: linear-gradient(135deg, #e8f8f7, #fff1e7); display: grid; gap: 3px; }
.rule-card strong { color: var(--navy); }
.rule-card span { color: #667581; font-weight: 700; }
.player-name-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.rules-note { margin-top: 14px; padding: 13px 14px; border-radius: 14px; background: #f1f5f7; color: #51606d; line-height: 1.45; font-size: .92rem; }
.dialog-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 18px; }
.dialog-actions.centered { justify-content: center; }
.winner-card { padding: 26px; text-align: center; background: var(--paper); }
.trophy { font-size: 4.5rem; }
.winner-card p { color: #5b6b78; font-weight: 700; line-height: 1.5; }

@media (max-width: 980px) {
  .game-layout { grid-template-columns: 1fr; }
  .side-column { grid-template-columns: 1fr 1fr; }
  .dartboard-wrap { width: min(72vh, 700px); }
}

@media (max-width: 720px) {
  .app-shell { padding: 8px; }
  .topbar { border-radius: 18px; padding: 10px 12px; align-items: flex-start; }
  .brand-mark { display: none; }
  .brand-block p { display: none; }
  .header-actions .btn { padding: 8px 10px; font-size: .8rem; }
  .active-zone { padding: 15px 16px; }
  .active-score { font-size: 3.6rem; }
  .side-column { grid-template-columns: 1fr; }
  .form-grid, .player-name-fields { grid-template-columns: 1fr; }
  .quick-row { grid-template-columns: 48px repeat(3, 1fr); }
  .quick-row.bull-row { grid-template-columns: 48px repeat(2, 1fr); }
  .board-legend { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .brand-block h1 { font-size: 1.25rem; }
  .header-actions { gap: 5px; }
  .topbar .btn { font-size: .72rem; padding: 8px; }
  .active-player-name { font-size: 2.25rem; }
  .throw-slot { min-height: 50px; font-size: 1.05rem; }
  .board-panel { padding: 11px; }
  .scoreboard-panel, .quick-panel { padding: 12px; }
}


@media (min-width: 981px) and (min-height: 720px) {
  .active-zone { padding-top: 14px; padding-bottom: 14px; }
  .throw-slots { margin-top: 12px; }
  .throw-slot { min-height: 52px; }
  .scoreboard-panel { min-height: 0; }
  .board-panel { padding-top: 14px; padding-bottom: 12px; }
  .board-legend { gap: 7px 12px; font-size: .76rem; }
  .quick-panel { padding-top: 12px; padding-bottom: 12px; }
  .quick-input { gap: 6px; margin-top: 9px; }
  .quick-btn { padding: 8px 5px; }
}