:root {
  --bg: #0b1410;
  --bg-elev: #11201a;
  --bg-card: #142a22;
  --felt: #1f6a4a;
  --felt-dark: #134a32;
  --gold: #d4af37;
  --gold-soft: #e8c96a;
  --text: #ecf3ef;
  --text-dim: #9bb3a8;
  --danger: #e2554c;
  --warn: #f0a039;
  --ok: #4ec07a;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 30% 10%, rgba(31, 106, 74, 0.35), transparent 55%),
    radial-gradient(circle at 80% 90%, rgba(31, 106, 74, 0.25), transparent 50%),
    var(--bg);
  overflow: hidden;
}

#app {
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "top top"
    "stage side";
  height: 100vh;
  gap: 16px;
  padding: 16px;
}

.topbar {
  grid-area: top;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.brand-name { margin: 0 6px; }
.suit { font-size: 22px; }
.suit.heart, .suit.diamond { color: #e2554c; }
.suit.spade, .suit.club { color: var(--text); }

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
#elapsed-display { font-size: 16px; }

.icon-btn {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 16px;
}
.icon-btn:hover { background: var(--bg-card); }

.stage {
  grid-area: stage;
  background: linear-gradient(160deg, var(--felt-dark), var(--felt));
  border-radius: 18px;
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
}

.stage > * { position: relative; z-index: 1; }

.level-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 18px;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 4px;
}
#level-number { font-size: 28px; font-weight: 700; color: var(--gold); }
.level-of { color: var(--text-dim); font-size: 14px; letter-spacing: 2px; }

.blinds {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.blind-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.blind-label {
  font-size: 16px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.blind-value {
  font-size: 56px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.timer {
  font-size: clamp(120px, 18vw, 220px);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
  color: var(--text);
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  transition: color 200ms ease;
}
.timer.warning { color: var(--warn); }
.timer.critical { color: var(--danger); animation: pulse 1s infinite; }
.timer.break { color: var(--gold); }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.controls {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.ctrl-btn {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  padding: 10px 22px;
  font-size: 18px;
  border-radius: 10px;
  cursor: pointer;
  min-width: 60px;
  transition: transform 80ms, background 120ms;
}
.ctrl-btn:hover { background: rgba(0, 0, 0, 0.55); }
.ctrl-btn:active { transform: scale(0.97); }
.ctrl-btn.primary {
  background: var(--gold);
  color: #1a1208;
  border-color: var(--gold-soft);
  font-weight: 700;
  min-width: 70px;
  font-size: 22px;
  line-height: 1;
}
.ctrl-btn.primary:hover { background: var(--gold-soft); }
.ctrl-btn.ghost { background: transparent; }

.stage-reset {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  padding: 6px 14px;
  font-size: 14px;
  min-width: auto;
}

.next-up {
  color: var(--text-dim);
  font-size: 15px;
  letter-spacing: 1px;
}
.next-up .next-label { text-transform: uppercase; margin-right: 8px; color: var(--gold-soft); }

.sidebar {
  grid-area: side;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
}
.card h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 12px;
}

.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 10px;
}
.stat-row label {
  color: var(--text-dim);
  font-size: 14px;
}
.stat-row input[type="number"] {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  width: 90px;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.stat-row input[type="number"]:focus {
  outline: none;
  border-color: var(--gold-soft);
}

.stepper {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.step-btn {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.step-btn:hover { background: var(--felt-dark); }
.stepper input { width: 60px !important; }

.stat-derived {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 6px;
}
.stat-derived > div {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.stat-derived .lbl { color: var(--text-dim); }

.prize-pool { font-size: 16px; }
.prize-pool span:last-child { color: var(--gold); font-weight: 600; }

.payouts {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 4px;
}
.payouts li {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  padding: 4px 8px;
  background: var(--bg-elev);
  border-radius: 6px;
}
.payouts li .place { color: var(--gold-soft); }
.payouts li .amount { color: var(--text); font-weight: 600; }

.structure-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.mini-btn {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.mini-btn:hover { background: var(--felt-dark); }
.mini-btn.ghost { background: transparent; }

.structure-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 360px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.structure-list::-webkit-scrollbar { width: 6px; }
.structure-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

.structure-row {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.structure-row.current {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}
.structure-row.is-break {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.1), var(--bg-elev));
}
.structure-row.dragging { opacity: 0.4; }
.structure-row.drop-above { box-shadow: 0 -2px 0 0 var(--gold); }
.structure-row.drop-below { box-shadow: 0 2px 0 0 var(--gold); }
.structure-row.is-break .row-fields { display: none; }
.structure-row:not(.is-break) .row-break-fields { display: none; }

.row-handle {
  color: var(--text-dim);
  cursor: grab;
  user-select: none;
  font-size: 12px;
}
.row-num {
  color: var(--gold-soft);
  font-weight: 600;
  min-width: 28px;
  font-size: 12px;
  text-align: center;
}
.row-fields, .row-break-fields {
  display: flex;
  gap: 6px;
  flex: 1;
}
.row-fields label, .row-break-fields label {
  display: flex;
  flex-direction: column;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
}
.row-fields input, .row-break-fields input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 5px;
  border-radius: 4px;
  width: 56px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.row-fields input:focus, .row-break-fields input:focus {
  outline: none;
  border-color: var(--gold-soft);
}
.break-label { flex: 1; }
.break-label input { width: 70px; }

.row-del {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 18px;
  padding: 0 4px;
}
.row-del:hover { color: var(--danger); }

.prefs {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
}
.check input { accent-color: var(--gold); }

body.fullscreen #app {
  grid-template-columns: 1fr;
  grid-template-areas:
    "top"
    "stage";
}
body.fullscreen .sidebar { display: none; }
body.fullscreen .stage-reset { display: none; }
body.fullscreen .controls > .ctrl-btn:not(.primary) { display: none; }

@media (max-width: 900px) {
  #app {
    grid-template-columns: 1fr;
    grid-template-areas: "top" "stage" "side";
    height: auto;
    overflow: auto;
  }
  body { overflow: auto; }
  .sidebar { max-height: none; }
  .timer { font-size: 100px; }
}