/* ============================================================
   Datamart — DS.Charts — unified chart & timeline visual system.
   One time language (years on x, muted ticks), one flat palette,
   DS tokens only, progressive disclosure. Inline-SVG + CSS, no chart lib.
   Components: Spark · LineChart · Bars · Matrix · HeatMatrix · Gantt · Timeline.
   Load AFTER colors_and_type.css. Reused across Lidé + Firmy.
   ============================================================ */

/* shared chart chrome */
.ckw { font-family: var(--font-sans); }
.ck-head { display: flex; align-items: baseline; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.ck-legend { display: inline-flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-left: auto; }
.ck-legend span { display: inline-flex; align-items: center; gap: var(--sp-2); font: 500 11px var(--font-sans); color: var(--fg-secondary); }
.ck-legend i { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.ck-svg { display: block; width: 100%; height: auto; overflow: visible; }
.ck-grid { stroke: var(--border); stroke-width: 1; }
.ck-axis { fill: var(--fg-muted); font: 500 10px var(--font-mono); }
.ck-line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.ck-dot { stroke: var(--surface-100); stroke-width: 1.5; }
.ck-val { fill: var(--ink-800); font: 600 10px var(--font-display); }

/* sparkline (inline, in rows/cards) */
.ck-spark { display: inline-block; vertical-align: middle; width: 84px; height: 26px; }
.ck-spark.lg { width: 100%; height: 56px; }

/* bars (year-keyed) */
.ck-bar { fill: var(--accent); }
.ck-bar.dim { fill: var(--accent-tint); }
.ck-barlab { fill: var(--fg-muted); font: 500 10px var(--font-mono); }

/* ---- matrix (indicator × year) ---- */
.ck-matrix { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.ck-matrix th, .ck-matrix td { padding: var(--sp-2) var(--sp-3); text-align: right; white-space: nowrap; }
.ck-matrix thead th { font: 600 11px var(--font-mono); color: var(--fg-muted); border-bottom: 1px solid var(--border); }
.ck-matrix th.lab, .ck-matrix td.lab { text-align: left; font: 500 12px var(--font-sans); color: var(--ink-800); position: sticky; left: 0; background: var(--surface-100); }
.ck-matrix tbody tr:nth-child(even) { background: var(--surface-75); }
.ck-matrix tbody tr:nth-child(even) td.lab { background: var(--surface-75); }
.ck-matrix td { font: 500 12px var(--font-sans); color: var(--ink-900); }
.ck-delta { font-size: 9px; margin-left: 3px; }
.ck-delta.up { color: var(--positive-ink); }
.ck-delta.down { color: var(--pill-rose-ink); }
.ck-matrix-wrap { overflow-x: auto; }

/* ---- heat-matrix (rating score 0–8) ---- */
.ck-heat { width: 100%; border-collapse: separate; border-spacing: 3px; font-variant-numeric: tabular-nums; }
.ck-heat th { font: 600 11px var(--font-mono); color: var(--fg-muted); padding: var(--sp-0) var(--sp-1); }
.ck-heat th.lab, .ck-heat td.lab { text-align: left; font: 500 12px var(--font-sans); color: var(--ink-800); white-space: nowrap; padding-right: var(--sp-3); }
.ck-heat td.c { width: 26px; height: 24px; text-align: center; border-radius: var(--radius-sm); font: 600 11px var(--font-display); color: var(--white); }
/* score ramp: 0 worst (rose) → 8 best (green) */
.ck-h0 { background: #c2410c; } .ck-h1 { background: #d8602a; } .ck-h2 { background: #e0913f; }
.ck-h3 { background: #d9a441; } .ck-h4 { background: #c9b94e; } .ck-h5 { background: #a9c24e; }
.ck-h6 { background: #7eb24a; } .ck-h7 { background: #57a23f; } .ck-h8 { background: #2f8f34; }
.ck-heat td.c.na { background: var(--surface-75); color: var(--ink-300); }

/* ---- Gantt / state timeline (the signature) ---- */
.ck-gantt { --lab-w: 152px; font-variant-numeric: tabular-nums; }
.ck-gantt-axis { display: grid; grid-template-columns: var(--lab-w) 1fr; align-items: end; height: 18px; margin-bottom: var(--sp-1); }
.ck-gantt-ticks { position: relative; height: 100%; }
.ck-gantt-tick { position: absolute; bottom: 0; transform: translateX(-50%); font: 500 10px var(--font-mono); color: var(--fg-muted); }
.ck-g-row { display: grid; grid-template-columns: var(--lab-w) 1fr; align-items: center; min-height: 30px; }
.ck-g-row:hover { background: var(--hover-surface); border-radius: var(--radius-sm); }
.ck-g-lab { padding-right: var(--sp-3); min-width: 0; }
.ck-g-lab .n { font: 500 12.5px var(--font-sans); color: var(--ink-900); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ck-g-lab .s { font: 400 11px var(--font-sans); color: var(--fg-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ck-g-track { position: relative; height: 22px; border-left: 1px solid var(--border); }
.ck-g-grid { position: absolute; top: -2px; bottom: -2px; width: 1px; background: var(--border); }
.ck-g-bar { position: absolute; top: 4px; height: 14px; border-radius: var(--radius-sm); display: flex; align-items: center; padding: 0 var(--sp-2); font: 600 10px var(--font-sans); color: var(--white); white-space: nowrap; overflow: hidden; min-width: 4px; }
.ck-g-bar.open { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.ck-g-today { position: absolute; top: -4px; bottom: -4px; width: 1.5px; background: var(--accent); opacity: 0.7; z-index: 2; }
.ck-g-today::after { content: "dnes"; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); font: 600 9px var(--font-mono); color: var(--accent); }
.ck-g-row:not(:first-child) .ck-g-today::after { display: none; }
/* categorical tone fills for bars/segments */
.ck-t0 { background: var(--ic-blue); } .ck-t1 { background: var(--ic-green); } .ck-t2 { background: var(--ic-amber); }
.ck-t3 { background: var(--ic-purple); } .ck-t4 { background: var(--ic-rose); } .ck-t5 { background: var(--ic-grey); }

/* ---- event timeline ---- */
.ck-tl { display: flex; flex-direction: column; }
.ck-tl-date { font: 600 11px var(--font-mono); color: var(--fg-muted); padding: var(--sp-3) 0 var(--sp-1); }
.ck-tl-item { display: flex; gap: var(--sp-3); }
.ck-tl-rail { width: 26px; flex: none; display: flex; flex-direction: column; align-items: center; }
.ck-tl-ic { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; flex: none; z-index: 1; }
.ck-tl-ic .ti { font-size: var(--ico-xs); }
.ck-tl-line { width: 2px; flex: 1; background: var(--border); margin: var(--sp-0) 0; }
.ck-tl-c { flex: 1; min-width: 0; padding-bottom: var(--sp-4); }
.ck-tl-c .tt { font: 500 13px var(--font-sans); color: var(--ink-900); }
.ck-tl-c .tt b { font-weight: 600; }
.ck-tl-c .mt { font: 400 12px var(--font-sans); color: var(--fg-secondary); margin-top: 1px; }
.ck-tl-c .dt { font: 400 11px var(--font-mono); color: var(--fg-muted); margin-top: var(--sp-0); }
.ck-tl-tag { display: inline-flex; align-items: center; height: 16px; padding: 0 var(--sp-2); border-radius: var(--radius-sm); font: 600 10px var(--font-sans); margin-left: var(--sp-2); }
/* tone tiles (shared with .ic-tone-* if loaded, but self-contained here) */
.ck-tone-blue { background: var(--accent-tint); color: var(--accent); }
.ck-tone-green { background: var(--positive-subtle); color: var(--positive-ink); }
.ck-tone-amber { background: var(--pill-amber-bg); color: var(--pill-amber-ink); }
.ck-tone-purple { background: var(--pill-purple-bg); color: var(--pill-purple-ink); }
.ck-tone-rose { background: var(--pill-rose-bg); color: var(--pill-rose-ink); }
.ck-tone-grey { background: var(--surface-75); border: 1px solid var(--border); color: var(--fg-muted); }