:root {
  --bg: #0b0f14;
  --bg2: #121821;
  --card: #151c27;
  --border: #243041;
  --text: #e8eef7;
  --muted: #8b9bb0;
  --accent: #6ee7b7;
  --accent2: #38bdf8;
  --danger: #fb7185;
  --warn: #fbbf24;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2740 0%, transparent 55%),
              radial-gradient(900px 500px at 90% 0%, #13261f 0%, transparent 50%),
              var(--bg);
  line-height: 1.45;
}

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; opacity: 0.08;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.top {
  max-width: 980px; margin: 0 auto; padding: 1.5rem 1.25rem 0.5rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.brand { display: flex; gap: 0.85rem; align-items: center; }
.brand h1 { margin: 0; font-size: 1.45rem; letter-spacing: 0.02em; }
.tagline { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.9rem; }
.die-icon {
  width: 2.5rem; height: 2.5rem; display: grid; place-items: center;
  border-radius: 12px; background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #041018; font-size: 1.35rem; font-weight: 700;
  box-shadow: 0 0 24px rgba(110, 231, 183, 0.35);
}
.user-bar { display: flex; gap: 0.75rem; align-items: center; color: var(--muted); }

main { max-width: min(980px, 100%); margin: 0 auto; padding: 1rem 1.25rem 3rem; overflow-x: clip; }
.card {
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.layout {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1.15fr 0.85fr;
}
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .top { flex-direction: column; align-items: flex-start; }
}

.tabs { display: flex; gap: 0.35rem; margin-bottom: 1rem; }
.tab {
  flex: 1; background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 0.55rem; border-radius: 10px; cursor: pointer; font-weight: 600;
}
.tab.active { color: var(--text); border-color: var(--accent2); background: #182433; }

label { display: block; margin-bottom: 0.85rem; font-size: 0.9rem; color: var(--muted); }
input[type="text"], input[type="password"] {
  display: block; width: 100%; margin-top: 0.35rem;
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 0.7rem 0.8rem; font-size: 1rem;
}
input:focus { outline: 2px solid color-mix(in srgb, var(--accent2) 60%, transparent); border-color: var(--accent2); }

.btn {
  border: 1px solid var(--border); background: #1a2433; color: var(--text);
  border-radius: 12px; padding: 0.7rem 1rem; font-weight: 650; cursor: pointer;
  transition: transform 0.08s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { border-color: #3a4d66; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn.primary { width: 100%; background: linear-gradient(135deg, #1d4d3d, #1e3a5f); border-color: #2f6b57; }
.btn.throw {
  width: 100%; font-size: 1.15rem; padding: 0.95rem;
  background: linear-gradient(135deg, #14532d, #0e7490);
  border-color: #34d399; box-shadow: 0 0 28px rgba(52, 211, 153, 0.22);
}
.btn.ghost { background: transparent; }
.btn.sm { padding: 0.35rem 0.65rem; font-size: 0.85rem; }

.day-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem;
}
.day-meta strong { color: var(--accent2); font-size: 1.05rem; letter-spacing: 0.04em; }

.die-stage { display: grid; place-items: center; padding: 1rem 0 1.25rem; }
.die {
  width: 140px; height: 140px; display: grid; place-items: center;
  font-size: 3.4rem; font-weight: 800; letter-spacing: -0.02em;
  border-radius: 28% 32% 30% 34% / 34% 30% 32% 28%;
  background: linear-gradient(145deg, #1f2937, #0f172a);
  border: 2px solid #334155;
  box-shadow: inset 0 0 30px rgba(56, 189, 248, 0.12), 0 12px 30px rgba(0,0,0,0.4);
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.die[data-state="rolling"] {
  animation: shake 0.45s ease-in-out infinite;
  border-color: var(--warn); color: var(--warn);
}
.die[data-state="practice"] { border-color: #64748b; color: #cbd5e1; }
.die[data-state="commit"] {
  border-color: var(--accent); color: var(--accent);
  box-shadow: inset 0 0 36px rgba(110, 231, 183, 0.18), 0 0 40px rgba(110, 231, 183, 0.25);
}
.die[data-state="locked"] { border-color: var(--accent2); color: var(--accent2); }
@keyframes shake {
  0%, 100% { transform: rotate(-4deg) scale(1.02); }
  50% { transform: rotate(4deg) scale(0.98); }
}
.caption { margin: 0.85rem 0 0; color: var(--muted); min-height: 1.3em; }

.banner {
  background: #10231c; border: 1px solid #1f6b4f; border-radius: 12px;
  padding: 0.75rem 0.9rem; margin-bottom: 1rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 0.85rem; align-items: baseline;
}
.banner strong { font-size: 1.25rem; color: var(--accent); }

.controls { display: grid; gap: 0.75rem; }
.arm {
  display: flex; gap: 0.65rem; align-items: flex-start; cursor: pointer;
  color: var(--text); font-size: 0.95rem; margin: 0;
}
.arm input { width: 1.15rem; height: 1.15rem; margin-top: 0.15rem; accent-color: var(--accent); }
.arm em { color: var(--muted); font-style: normal; font-size: 0.85rem; }

.msg { min-height: 1.25em; margin: 0.75rem 0 0; font-size: 0.92rem; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--accent); }

.board-head { display: flex; justify-content: space-between; align-items: center; }
.board h2 { margin: 0; font-size: 1.15rem; }
.small { font-size: 0.85rem; }
.muted { color: var(--muted); }
.table-wrap { overflow-x: auto; margin-top: 0.75rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.55rem 0.35rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
tbody tr:hover { background: rgba(255,255,255,0.02); }
.rank { color: var(--accent2); font-variant-numeric: tabular-nums; width: 2rem; }

[hidden] { display: none !important; }
.hidden { display: none !important; }

footer {
  max-width: 980px; margin: 0 auto; padding: 0 1.25rem 2rem;
  color: var(--muted); font-size: 0.8rem;
}
footer code { color: #a5b4c8; }

.matrix-card {
  margin-top: 1.25rem;
  max-width: 100%;
  min-width: 0;
}
/* Own H-scrollport: keep page from growing sideways; Name sticks inside this box */
.matrix-wrap {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin-top: 0.75rem;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
}
.matrix-table {
  border-collapse: separate; /* sticky columns unreliable with collapse */
  border-spacing: 0;
  font-size: 0.9rem;
  min-width: 100%;
  width: max-content;
}
.matrix-table th, .matrix-table td {
  text-align: center; padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  background: var(--card);
}
.matrix-table th {
  color: var(--muted); font-weight: 600; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.03em;
}
.matrix-table th:first-child,
.matrix-table td.matrix-name-cell {
  text-align: left;
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 10rem;
  max-width: 14rem;
  background: var(--card);
  box-shadow: 6px 0 10px rgba(0,0,0,0.28);
}
.matrix-table thead th:first-child { z-index: 3; }
.matrix-name { display: block; font-weight: 600; color: var(--text); }
.matrix-dept { display: block; font-size: 0.78rem; color: var(--muted); font-weight: 400; }
.matrix-cell { color: var(--accent); font-weight: 650; }
.matrix-cell.empty { color: transparent; }
.matrix-cell.nat20 { color: var(--accent); font-weight: 800; text-shadow: 0 0 12px rgba(110, 231, 183, 0.45); }
.matrix-cell.nat1 { color: var(--danger); font-weight: 800; text-shadow: 0 0 12px rgba(251, 113, 133, 0.4); }