:root {
  --bg: #131518;
  --bg-2: #1a1d22;
  --panel: #1e2228;
  --panel-2: #252a31;
  --border: #33393f;
  --text: #e8e6e0;
  --text-dim: #9aa0a6;
  --gold: #e0a33c;
  --gold-dim: #a97c2e;
  --green: #7fb069;
  --red: #d9534f;

  --c-light: #7fb069;
  --c-medium: #6ca0dc;
  --c-heavy: #d9534f;
  --c-td: #e08e3c;
  --c-spaa: #4fc3c7;
  --c-fighter: #8ab4f8;
  --c-attacker: #c58af9;
  --c-bomber: #b0885f;
  --c-heli: #f28bbc;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

/* ---------- Header ---------- */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 22px;
  background: linear-gradient(180deg, #23272e, var(--bg-2));
  border-bottom: 2px solid var(--gold-dim);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { font-size: 2rem; }
.brand h1 { font-size: 1.25rem; letter-spacing: 0.5px; }
.tagline { color: var(--text-dim); font-size: 0.8rem; }

.data-status { font-size: 0.8rem; color: var(--text-dim); display: flex; align-items: center; gap: 10px; }
.data-status .fresh { color: var(--green); }

.link-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--gold);
  cursor: pointer;
  padding: 4px 10px;
  font-size: 0.8rem;
}
.link-btn:hover { border-color: var(--gold-dim); background: var(--panel-2); }

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 18px;
  padding: 18px 22px;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.form-panel { align-self: start; position: sticky; top: 18px; }

@media (max-width: 860px) {
  .form-panel { position: static; }
}

/* ---------- Form ---------- */

.field { margin-bottom: 16px; }

.field > label:first-child {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.hint { color: var(--text-dim); font-size: 0.75rem; font-weight: 400; text-transform: none; letter-spacing: 0; }
p.hint { margin-top: 4px; }

select, input[type="number"] {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}
select:focus, input:focus { outline: none; border-color: var(--gold-dim); }

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 2px;
  font-size: 0.9rem;
  cursor: pointer;
}
.check input { accent-color: var(--gold); width: 15px; height: 15px; }

.segmented { display: flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.segmented button {
  flex: 1;
  padding: 8px 4px;
  background: var(--bg-2);
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  border-right: 1px solid var(--border);
}
.segmented button:last-child { border-right: none; }
.segmented button.active { background: var(--gold-dim); color: #fff; font-weight: 600; }

.playstyles { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.ps-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
}
.ps-card input { position: absolute; opacity: 0; }
.ps-card:has(input:checked) { border-color: var(--gold); background: #2a2416; }
.ps-icon { font-size: 1.4rem; }
.ps-name { font-weight: 600; font-size: 0.88rem; }
.ps-desc { font-size: 0.7rem; color: var(--text-dim); }

.generate-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(180deg, var(--gold), var(--gold-dim));
  border: none;
  border-radius: 8px;
  color: #1a1408;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
}
.generate-btn:hover:not(:disabled) { filter: brightness(1.1); }
.generate-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- Results ---------- */

.placeholder {
  text-align: center;
  color: var(--text-dim);
  padding: 80px 20px;
}
.placeholder-icon { font-size: 3rem; margin-bottom: 10px; }

.results h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold);
  margin: 4px 0 12px;
}
.results h2 .sub { color: var(--text-dim); font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 0.85rem; }

.warnings { margin-bottom: 14px; }
.warning {
  background: #3a2d1a;
  border: 1px solid var(--gold-dim);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

/* ---------- Lineup health / sufficiency check ---------- */

.health-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--text-dim);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 18px;
}
.health-card.hc-strong { border-left-color: var(--green); }
.health-card.hc-solid  { border-left-color: var(--gold); }
.health-card.hc-thin   { border-left-color: var(--red); }

.hc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}
.hc-verdict {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.hc-strong .hc-verdict { color: var(--green); }
.hc-solid  .hc-verdict { color: var(--gold); }
.hc-thin   .hc-verdict { color: var(--red); }

.hc-stats { display: flex; gap: 18px; }
.hc-stat { display: flex; flex-direction: column; align-items: center; line-height: 1.15; }
.hc-val { font-size: 1.15rem; font-weight: 700; color: var(--text); }
.hc-lbl { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-dim); }

.hc-notes { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.hc-notes li {
  font-size: 0.83rem;
  line-height: 1.4;
  color: var(--text);
  padding-left: 2px;
}
.hc-notes li.hc-warn { color: #e7c37a; }
.hc-notes li.hc-good { color: var(--green); }
.hc-notes li.hc-info { color: var(--text-dim); }

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.slot-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  border-top: 3px solid var(--cls-color, var(--border));
}

.slot-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.slot-num { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 1px; }

.cls-badge {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 2px 7px;
  border-radius: 4px;
  color: #10120a;
  background: var(--cls-color, var(--text-dim));
}

.veh-name { font-size: 1.02rem; font-weight: 600; margin-bottom: 6px; }

.veh-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 0.78rem; color: var(--text-dim); }
.br-chip {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 7px;
  color: var(--gold);
  font-weight: 700;
}
.src-badge { font-size: 0.78rem; }

.swap-btn {
  margin-top: 10px;
  width: 100%;
  padding: 6px 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.swap-btn:hover:not(:disabled) { border-color: var(--cls-color, var(--gold-dim)); background: var(--panel-2); }
.swap-btn:disabled { opacity: 0.4; cursor: default; }
.swap-btn .alt-count { color: var(--text-dim); font-size: 0.72rem; }

.pool-note { color: var(--text-dim); font-size: 0.78rem; margin-top: 10px; }

/* ---------- Loading overlay ---------- */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 13, 15, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.loading-overlay[hidden] { display: none; }

.loading-box {
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px 44px;
}
.loading-box h2 { margin-bottom: 4px; }

.spinner {
  width: 38px;
  height: 38px;
  margin: 0 auto 14px;
  border: 4px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.load-steps { list-style: none; margin-top: 14px; text-align: left; font-size: 0.85rem; color: var(--text-dim); }
.load-steps li { padding: 3px 0; }
.load-steps li::before { content: "○ "; color: var(--text-dim); }
.load-steps li.done::before { content: "✔ "; color: var(--green); }

.load-error { margin-top: 12px; color: var(--red); max-width: 320px; }