:root {
  --bg: #17110d;
  --bg2: #211812;
  --panel: #2a1f17;
  --panel2: #34271d;
  --line: #4a3727;
  --text: #f3e6d6;
  --muted: #b9a28a;
  --accent: #e0a35a;
  --accent2: #c8693a;
  --ok: #8fbf7a;
  --danger: #d66a5a;
  --radius: 12px;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; background: linear-gradient(90deg, #241810, #2e1d12);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.brand { margin: 0; font-size: 1.25rem; letter-spacing: .5px; font-weight: 600; }
.brand-mark { color: var(--accent); }
.top-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.lang { display: flex; gap: 4px; margin-left: 6px; }

.chip {
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 11px; font-size: .85rem; color: var(--muted);
}
.chip.on, .chip[aria-pressed="true"] { background: var(--accent); color: #241509; border-color: var(--accent); }

.main { padding: 22px; max-width: 980px; margin: 0 auto; width: 100%; }
.tagline { color: var(--muted); margin: 0 0 18px; }

.info-box {
  background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 18px; font-size: .92rem;
}
.info-box h2 { margin: 0 0 6px; font-size: .95rem; color: var(--accent); text-transform: uppercase; letter-spacing: .6px; }
.info-box p { margin: 0 0 10px; color: var(--muted); }
.info-box p:last-child { margin-bottom: 0; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,.35); margin-bottom: 18px;
}
.card-head { padding: 14px 18px; border-bottom: 1px solid var(--line); }
.card-head h2 { margin: 0; font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); }
.card-body { padding: 16px 18px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: .8rem; color: var(--muted); }
.field input, .field select {
  background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.field input.invalid { border-color: var(--danger); }
.field .hint { font-size: .72rem; color: var(--muted); }
.field.full { grid-column: 1 / -1; }

.check { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--muted); }
.check input { accent-color: var(--ok); width: 17px; height: 17px; }

.actions { display: flex; gap: 10px; align-items: center; margin-top: 4px; }
.btn {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 16px; transition: background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #241509; border-color: var(--accent); font-weight: 600; }

.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat .k { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.stat .v { font-size: 1.5rem; font-weight: 600; color: var(--accent); margin-top: 4px; }
.stat .v.neg { color: var(--danger); }
.stat .v.pos { color: var(--ok); }

.breakdown { margin-top: 14px; }
.breakdown h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .6px; color: var(--accent); margin: 0 0 8px; }
.brow { display: flex; justify-content: space-between; gap: 10px; padding: 7px 10px; border-bottom: 1px solid var(--line); font-size: .9rem; }
.brow:last-child { border-bottom: 0; }
.brow .l { color: var(--muted); }
.brow .r { font-variant-numeric: tabular-nums; }
.brow.total { font-weight: 700; color: var(--text); border-top: 1px solid var(--line); }
.brow .sub { display: block; font-size: .75rem; color: var(--muted); }

.banner {
  background: rgba(224,163,90,.12); border: 1px solid rgba(224,163,90,.45); color: var(--accent);
  border-radius: 8px; padding: 10px 14px; font-size: .9rem; margin-top: 14px;
}
.banner.warn { background: rgba(214,106,90,.12); border-color: rgba(214,106,90,.45); color: var(--danger); }
.banner.ok { background: rgba(143,191,122,.12); border-color: rgba(143,191,122,.45); color: var(--ok); }

.foot { color: var(--muted); font-size: .82rem; padding: 4px 2px 30px; }
.foot .privacy { color: var(--ok); }

@media (max-width: 700px) {
  .main { padding: 12px; }
  .grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .brand { font-size: 1.05rem; }
}