:root {
  --bg: #0b1020;
  --panel: #141b33;
  --panel-border: #243056;
  --text: #eef2ff;
  --muted: #9aa8d6;
  --accent: #5b8cff;
  --accent-2: #f6c445;
  --danger: #ff6b7a;
  --ok: #4ade80;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(91, 140, 255, 0.18), transparent 35%),
    radial-gradient(circle at 90% 0%, rgba(246, 196, 69, 0.12), transparent 30%),
    var(--bg);
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.brand {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.castle { font-size: 2.2rem; }

h1 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--accent-2);
}

.tagline {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.status-pill {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.35);
  color: var(--ok);
  font-size: 0.85rem;
  white-space: nowrap;
}

.status-pill.warn {
  background: rgba(246, 196, 69, 0.12);
  border-color: rgba(246, 196, 69, 0.35);
  color: var(--accent-2);
}

.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

form {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.hint {
  color: var(--muted);
  font-size: 0.8rem;
}

input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: #0d1328;
  color: var(--text);
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

button {
  margin-top: 0.25rem;
  padding: 0.8rem 1rem;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #3d63d8);
  color: white;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.error {
  color: var(--danger);
  margin: 0.75rem 0 0;
}

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat {
  background: #0d1328;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 0.75rem;
}

.stat .label {
  color: var(--muted);
  font-size: 0.78rem;
}

.stat .value {
  font-size: 1.25rem;
  font-weight: 700;
}

.table-wrap {
  overflow: auto;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--panel-border);
  text-align: left;
}

th {
  background: #0d1328;
  color: var(--muted);
  font-weight: 600;
}

tr:last-child td { border-bottom: none; }

.empty {
  color: var(--muted);
  text-align: center;
}

td.break {
  color: var(--accent-2);
  font-style: italic;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.slider-row input[type="range"] {
  flex: 1;
  padding: 0;
  accent-color: var(--accent);
}

.slider-value {
  min-width: 2.5rem;
  text-align: right;
  color: var(--accent-2);
  font-variant-numeric: tabular-nums;
}

.tier-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: #0d1328;
  border: 1px solid var(--panel-border);
  font-size: 0.82rem;
  color: var(--muted);
}

.tier-key {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.tier-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.45rem;
  height: 1.45rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
}

.tier-1 {
  background: rgba(246, 196, 69, 0.2);
  color: #f6c445;
  border: 1px solid rgba(246, 196, 69, 0.45);
}

.tier-2 {
  background: rgba(91, 140, 255, 0.18);
  color: #8fb4ff;
  border: 1px solid rgba(91, 140, 255, 0.4);
}

.tier-3 {
  background: rgba(154, 168, 214, 0.12);
  color: var(--muted);
  border: 1px solid rgba(154, 168, 214, 0.25);
}

.tier-4 {
  background: rgba(255, 255, 255, 0.04);
  color: #6b7899;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tier-na {
  background: transparent;
  border: none;
  color: var(--muted);
}

label.checkbox {
  gap: 0.2rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.checkbox-row input[type="checkbox"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  header { flex-direction: column; align-items: flex-start; }
}