/*
  Yuanfenju Tools — Mystic Dark Theme
  Unified responsive UI for Bazi, divination utilities.
  Keep classes generic so feature pages can reuse without changes.
*/

:root {
  --bg: #0b0f1a;          /* base dark */
  --bg-2: #0c1220;        /* dark layer */
  --text: #e8eaf0;        /* primary text */
  --muted: #a0a8b5;       /* secondary text */
  --card: #101826;        /* card surface */
  --border: #1f2a3a;      /* subtle border */
  --primary: #d5b066;     /* warm gold */
  --primary-2: #e1c789;   /* lighter gold */
  --danger: #ef4444;      /* error */
  --ok: #22c55e;          /* success */
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0; color: var(--text); background:
    radial-gradient(1200px 600px at 10% 8%, rgba(213,176,102,0.08), transparent),
    radial-gradient(900px 700px at 85% 0%, rgba(96,165,250,0.08), transparent),
    linear-gradient(180deg, #0a0e1a 0%, var(--bg-2) 100%);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}

.container { max-width: 980px; margin: 0 auto; padding: 20px; }

.page-header { margin: 8px 0 16px; }
.title { margin: 0 0 6px; font-weight: 800; font-size: 22px; letter-spacing: .2px; }
.subtitle { margin: 0; color: var(--muted); font-size: 14px; }

.card {
  background: linear-gradient(180deg, #0f1625 0%, var(--card) 100%);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.02);
}

/* Form */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; }
.label { font-size: 13px; margin-bottom: 6px; color: var(--muted); }
.input, .select {
  width: 100%; padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: #0b1220; color: var(--text);
  outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus {
  border-color: rgba(213,176,102,.65);
  box-shadow: 0 0 0 3px rgba(213,176,102,.16);
}
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.actions { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 10px; }
.btn { cursor: pointer; border: none; border-radius: 10px; padding: 10px 16px; font-weight: 700; letter-spacing: .2px; }
.btn-primary {
  color: #0c0c0c;
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  box-shadow: 0 6px 16px rgba(213,176,102,.25);
}
.btn-primary:hover { filter: brightness(1.03); }
.btn-secondary { color: var(--text); background: #2a3446; }
.btn-secondary:hover { filter: brightness(1.05); }

/* Alerts */
.alert { padding: 10px 12px; border-radius: 10px; margin-top: 12px; border: 1px solid transparent; }
.alert-error { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.35); color: #fecaca; }
.alert-ok { background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.35); color: #bbf7d0; }

/* Results */
.result { margin-top: 16px; }
.list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 640px) { .list { grid-template-columns: 1fr; } }
.item { background: #0b1220; border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.item-title { margin: 0 0 8px; font-size: 16px; font-weight: 700; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px; font-size: 14px; }
.muted { color: var(--muted); }

.footer-note { margin-top: 16px; color: var(--muted); font-size: 13px; }
pre { white-space: pre-wrap; word-break: break-all; }