/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Design Tokens ──────────────────────────────────────── */
:root {
  --bg-main: #f8f5ef;
  --bg-panel: rgba(255, 252, 247, 0.92);
  --bg-panel-solid: #fffcf7;
  --line-soft: rgba(15, 23, 42, 0.07);
  --line-mid: rgba(15, 23, 42, 0.14);

  --ember: #c05a2b;
  --ember-hover: #a84d24;
  --ember-light: rgba(192, 90, 43, 0.10);
  --ember-border: rgba(192, 90, 43, 0.22);

  --mint: #5a8f7b;
  --mint-light: rgba(90, 143, 123, 0.10);
  --mint-border: rgba(90, 143, 123, 0.22);

  --rose: #e1183c;
  --rose-light: rgba(225, 24, 60, 0.07);
  --rose-border: rgba(225, 24, 60, 0.18);

  --text-ink: #0f172a;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --radius-card: 20px;
  --radius-btn: 8px;
  --radius-input: 8px;
  --radius-badge: 5px;

  --shadow-card: 0 8px 32px rgba(18, 24, 38, 0.10);
  --shadow-sm: 0 1px 4px rgba(18, 24, 38, 0.07);
}

/* ─── Base ───────────────────────────────────────────────── */
body {
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-ink);
  background:
    radial-gradient(circle at 4% 0%, rgba(230, 212, 184, 0.55), transparent 30%),
    radial-gradient(circle at 96% 6%, rgba(90, 143, 123, 0.13), transparent 28%),
    var(--bg-main);
  min-height: 100vh;
}

/* ─── Header ─────────────────────────────────────────────── */
.app-header {
  background: rgba(255, 252, 247, 0.88);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 54px;
}

.app-logo {
  font-family: "Trebuchet MS", "Avenir Next", "PingFang SC", sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ember);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.nav-tabs {
  display: flex;
  gap: 2px;
}

.nav-tab {
  padding: 6px 16px;
  border-radius: var(--radius-btn);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.nav-tab:hover { background: rgba(15, 23, 42, 0.05); color: var(--text-ink); }
.nav-tab.active { background: var(--ember-light); color: var(--ember); font-weight: 600; }

/* ─── Layout ─────────────────────────────────────────────── */
.main {
  max-width: 980px;
  margin: 28px auto;
  padding: 0 24px;
}

.page { display: none; }
.page.active { display: block; }

/* ─── Cards (Glass) ──────────────────────────────────────── */
.card {
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card + .card { margin-top: 16px; }

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-ink);
  letter-spacing: 0.01em;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--ember);
  color: #ffffff;
  border-color: var(--ember);
}
.btn-primary:hover { background: var(--ember-hover); border-color: var(--ember-hover); }

.btn-secondary {
  background: rgba(255, 255, 255, 0.75);
  color: var(--text-ink);
  border: 1px solid var(--line-mid);
}
.btn-secondary:hover { background: #ffffff; }

.btn-danger {
  background: transparent;
  color: var(--rose);
  border: 1px solid var(--line-mid);
}
.btn-danger:hover { background: var(--rose-light); border-color: var(--rose-border); }

.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Forms ──────────────────────────────────────────────── */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

input, select, textarea {
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-input);
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-ink);
  background: rgba(255, 255, 255, 0.65);
  transition: all 0.15s ease;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--ember);
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--ember-light);
}

textarea { resize: vertical; min-height: 72px; }

/* lookup hint below fund-code input */
.lookup-hint {
  font-size: 12px;
  color: var(--mint);
  min-height: 16px;
  transition: opacity 0.15s;
}

/* ─── Tables ─────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
}

thead th.num { text-align: right; }

tbody tr:nth-child(even) { background: rgba(15, 23, 42, 0.02); }
tbody tr:hover { background: rgba(192, 90, 43, 0.04); }

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-ink);
  vertical-align: middle;
}

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

tbody td.num { text-align: right; font-variant-numeric: tabular-nums; }

.td-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ─── Badges ─────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 600;
}

.badge-buy  { background: var(--mint-light);  color: var(--mint);       border: 1px solid var(--mint-border); }
.badge-sell { background: var(--rose-light);  color: var(--rose);       border: 1px solid var(--rose-border); }
.badge-hold { background: rgba(15,23,42,.05); color: var(--text-muted); border: 1px solid var(--line-soft); }

/* ─── Color helpers ──────────────────────────────────────── */
.up      { color: var(--mint); font-weight: 500; }
.down    { color: var(--rose); font-weight: 500; }
.neutral { color: var(--text-muted); }

/* ─── Position ratio bar ─────────────────────────────────── */
.pos-ratio {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.pos-ratio-num {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--text-ink);
}

.ratio-track {
  width: 52px;
  height: 3px;
  background: var(--line-mid);
  border-radius: 2px;
  overflow: hidden;
}

.ratio-fill {
  height: 100%;
  background: var(--ember);
  border-radius: 2px;
  max-width: 100%;
}

/* ─── Advice ─────────────────────────────────────────────── */
.advice-box {
  background: rgba(255, 252, 247, 0.8);
  border: 1px solid var(--ember-border);
  border-radius: 14px;
  padding: 20px 24px;
  white-space: pre-wrap;
  line-height: 1.85;
  font-size: 14px;
  color: var(--text-ink);
}

.advice-meta {
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

/* ─── Empty state ────────────────────────────────────────── */
.empty {
  padding: 40px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}

/* ─── Toast ──────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-ink);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(18, 24, 38, 0.18);
}

#toast.show  { opacity: 1; }
#toast.error { background: var(--rose); }

/* ─── Spinner ────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Divider ────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--line-soft); margin: 20px 0; }

/* ─── Modal overlay ──────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 50;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }