/* ============================================================
   Budget section — DCA monthly allocation planning.
   Reuses .budget-* (notes.css), .alloc-* (dashboard.css) and
   .chart-* (chart.css); only the section-specific layout lives here.
   ============================================================ */

/* ---- top nav (month switcher in the shell topbar) ---- */
.bud-topnav { display: flex; align-items: center; gap: 8px; }
.bud-topnav .btn.icon { width: 32px; padding: 0; font-size: 18px; line-height: 1; }
.bud-month { font-size: 13.5px; font-weight: 600; min-width: 118px; text-align: center; }
.bud-month em { color: var(--accent); font-style: normal; font-weight: 500; }

/* ---- KPI strip ---- */
.bud-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); margin-bottom: var(--gap); }
.bud-kpi { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 14px 16px; }
.bud-kpi .bk-label { font-size: 11.5px; color: var(--fg-faint); text-transform: uppercase; letter-spacing: .04em; }
.bud-kpi .bk-value { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin-top: 4px; }
.bud-kpi .bk-sub { font-size: 12px; color: var(--fg-faint); margin-top: 2px; }

/* ---- main two-column area ---- */
.bud-main { display: grid; grid-template-columns: 1.35fr 1fr; gap: var(--gap); align-items: start; }
.bud-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); margin-top: var(--gap); align-items: start; }

/* ---- editor controls (shared budget + buy day) ---- */
.bud-fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.bud-fieldset:disabled { opacity: .6; }
.bud-controls { display: flex; flex-wrap: wrap; gap: 10px 26px; padding: 14px var(--pad) 4px; }
.bud-ctrl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.bud-ctrl .wp-label { font-size: 12.5px; color: var(--fg-muted); }
.weekday-pick { display: flex; align-items: center; gap: 12px; padding: 12px var(--pad) 2px; flex-wrap: wrap; }
.weekday-pick .wp-label { font-size: 12.5px; color: var(--fg-muted); }
.weekday-seg { display: inline-flex; gap: 3px; background: var(--bg-0); border-radius: var(--r-md); padding: 3px; }
.weekday-seg button {
  border: 0; background: transparent; color: var(--fg-muted); cursor: pointer;
  font: inherit; font-size: 12px; padding: 5px 9px; border-radius: var(--r-sm);
  font-variant-numeric: tabular-nums; transition: background .15s, color .15s;
}
.weekday-seg button:hover { color: var(--fg); }
.weekday-seg button.on { background: var(--accent); color: #fff; }

/* ---- allocation rows: add a weekly-suggestion column ---- */
.bud-alloc-row .bud-weekly { font-size: 12px; color: var(--accent); text-align: right; min-width: 74px; font-variant-numeric: tabular-nums; }

/* ---- weekly suggestion card ---- */
.bud-week-rows { padding: 10px var(--pad) 4px; display: flex; flex-direction: column; gap: 2px; }
.bud-week-row { display: grid; grid-template-columns: auto auto 1fr auto auto; align-items: center; gap: 10px; padding: 6px 0; }
.bud-week-row .bwr-sym { font-size: 12.5px; font-weight: 600; }
.bud-week-row .bwr-calc { font-size: 12px; color: var(--fg-faint); text-align: right; }
.bud-week-row .bwr-eq { color: var(--fg-ghost); }
.bud-week-row .bwr-wk { font-size: 13.5px; font-weight: 600; }
.bud-week-row .bwr-wk em { font-style: normal; font-size: 11px; color: var(--fg-faint); font-weight: 400; }
.bud-week-total { display: flex; align-items: baseline; gap: 8px; padding: 8px var(--pad); font-size: 12.5px; color: var(--fg-muted); border-top: 1px solid var(--line-soft); }
.bud-week-total strong { font-size: 18px; color: var(--fg); font-weight: 600; }
.bud-week-dates { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px var(--pad) 14px; }
.bud-week-dates .bwd-chip { font-size: 11px; color: var(--fg-muted); background: var(--bg-0); border: 1px solid var(--line-soft); border-radius: 6px; padding: 3px 7px; }
.bud-week-empty { padding: 22px var(--pad); color: var(--fg-faint); font-size: 13px; text-align: center; }

/* ---- planned vs. actual ---- */
.pva-body { padding: 8px var(--pad) var(--pad); }
.pva-key { display: flex; gap: 16px; font-size: 12px; color: var(--fg-muted); margin-bottom: 10px; }
.pva-key i, .pva-dot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; vertical-align: 0px; margin-right: 5px; }
.pva-dot.planned { background: var(--accent); }
.pva-dot.actual { background: var(--gain); }
.pva-row { display: grid; grid-template-columns: minmax(120px, 1.1fr) 2fr auto; align-items: center; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line-soft); }
.pva-row:first-of-type { border-top: 0; }
.pva-coin { display: flex; align-items: center; gap: 9px; }
.pva-coin .pva-name { font-size: 13px; font-weight: 600; }
.pva-coin .pva-sym { font-size: 11px; color: var(--fg-faint); }
.pva-bars { display: flex; flex-direction: column; gap: 5px; }
.pva-track { position: relative; height: 16px; background: var(--bg-0); border-radius: 5px; overflow: hidden; display: flex; align-items: center; }
.pva-bar { height: 100%; border-radius: 5px; transition: width .3s ease; }
.pva-bar.planned { background: var(--accent); opacity: .55; }
.pva-bar.actual { background: var(--gain); }
.pva-bar.actual.over { background: var(--loss); }
.pva-track .pva-val { position: absolute; right: 7px; font-size: 11px; color: var(--fg-muted); font-variant-numeric: tabular-nums; }
.pva-delta { font-size: 12.5px; text-align: right; min-width: 58px; font-variant-numeric: tabular-nums; }
.pva-foot { display: flex; align-items: center; gap: 10px; padding-top: 12px; margin-top: 6px; border-top: 1px solid var(--line); font-size: 12px; color: var(--fg-faint); }
.pva-empty { padding: 18px 0; color: var(--fg-faint); font-size: 13px; text-align: center; }

/* ---- lock UI ---- */
.bud-locked { border-color: var(--accent-line); }
.bud-lock-tag { font-size: 11px; font-weight: 600; color: var(--fg-muted); background: var(--bg-0); border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; }
.bud-lock-tag.editing { color: var(--accent); border-color: var(--accent-line); }
.bud-lock-banner { display: flex; align-items: center; gap: 12px; margin: 12px var(--pad) 0; padding: 12px 14px; background: var(--bg-0); border: 1px solid var(--accent-line); border-radius: var(--r-md); color: var(--accent); }
.bud-lock-banner strong { color: var(--fg); font-size: 13px; }
.bud-lock-banner span { color: var(--fg-muted); font-size: 12.5px; }
.bud-lock-banner .spacer, .bud-lock-banner > div { flex: 1; }
.bud-lock-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--fg-muted); cursor: pointer; user-select: none; }
.bud-lock-toggle input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }
.bud-lock-toggle.disabled { opacity: .5; cursor: default; }

/* ---- small button helpers used here ---- */
.btn.sm { height: 28px; font-size: 12px; padding: 0 10px; }
.btn.danger { color: var(--loss); }
.btn.danger:hover { background: var(--loss-dim); }

@media (max-width: 900px) {
  .bud-kpis { grid-template-columns: repeat(2, 1fr); }
  .bud-main, .bud-grid-2 { grid-template-columns: 1fr; }
}