/* open.chromoshub.ru — chromatogram viewer */
:root {
    --bg: #0d1117; --bg-2: #161b22; --bg-3: #1c2430; --card: #10151d;
    --line: #26303c; --line-2: #313d4d;
    --txt: #e6edf3; --txt-2: #9aa7b4; --txt-3: #6b7684;
    --accent: #58b0ff; --accent-2: #2f81f7; --peak: #d29922;
    --mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "DejaVu Sans Mono", "Consolas", monospace;
    --ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
:root[data-theme="light"] {
    --bg: #f4f6fa; --bg-2: #ffffff; --bg-3: #eef1f6; --card: #ffffff;
    --line: #dde3ec; --line-2: #c8d1de;
    --txt: #16202f; --txt-2: #52617a; --txt-3: #808d9b;
    --accent: #1f6feb; --accent-2: #1a5fd0; --peak: #b8860b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--ui); background: var(--bg); color: var(--txt); min-height: 100vh; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 13px 18px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 15px; }
.brand__mark { font-size: 18px; }
.actions { display: flex; align-items: center; gap: 10px; }
.lang { display: inline-flex; height: 32px; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; }
.lang__btn { font-family: var(--mono); font-size: 11px; font-weight: 600; padding: 0 9px; border: 0; background: var(--bg-3); color: var(--txt-2); cursor: pointer; }
.lang__btn + .lang__btn { border-left: 1px solid var(--line-2); }
.lang__btn:hover { color: var(--accent); }
.lang__btn.is-active { background: var(--accent-2); color: #fff; }
.icon-btn { width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line-2); border-radius: 8px; background: var(--bg-3); color: var(--txt-2); cursor: pointer; }
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn .i-moon { display: none; }
:root[data-theme="light"] .icon-btn .i-sun { display: none; }
:root[data-theme="light"] .icon-btn .i-moon { display: block; }

.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.field { display: inline-flex; align-items: center; gap: 8px; }
.field__lbl { font-size: 13px; color: var(--txt-2); }
.select { font-family: var(--ui); font-size: 13px; background: var(--bg-3); color: var(--txt); border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 10px; cursor: pointer; max-width: 260px; }
.toolbar__or { color: var(--txt-3); font-size: 13px; }
.btn { display: inline-flex; align-items: center; font-size: 13px; font-weight: 500; padding: 8px 14px; border-radius: 8px; cursor: pointer; border: 1px solid var(--accent-2); background: var(--accent-2); color: #fff; }
.btn:hover { background: var(--accent); }
.fname { font-family: var(--mono); font-size: 12px; color: var(--txt-2); }
.toolbar__spacer { flex: 1; }
.status { font-size: 12px; color: var(--txt-3); }
.status.err { color: #f85149; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 14px; font-size: 13px; color: var(--txt-2); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.chip { font-family: var(--mono); font-size: 12px; padding: 1px 9px; border-radius: 999px; background: var(--bg-3); border: 1px solid var(--line-2); color: var(--txt-2); }
.mono { font-family: var(--mono); } .muted { color: var(--txt-3); font-size: 12px; }

.chart { position: relative; width: 100%; min-height: 340px; }
.chart svg { width: 100%; height: auto; display: block; }
.placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--txt-3); font-size: 14px; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .tick { fill: var(--txt-3); font-family: var(--mono); font-size: 10px; }
.chart .axis-title { fill: var(--txt-2); font-family: var(--ui); font-size: 12px; }
.chart .signal { fill: none; stroke: var(--accent); stroke-width: 1.3; stroke-linejoin: round; }
.chart .peak-band { fill: color-mix(in srgb, var(--peak) 16%, transparent); }
.chart .peak-line { stroke: var(--peak); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .peak-lbl { fill: var(--peak); font-family: var(--mono); font-size: 9px; }
.chart .peak-band.is-hi { fill: color-mix(in srgb, var(--peak) 34%, transparent); }
.chart .peak-line.is-hi { stroke-width: 1.6; stroke-dasharray: none; }
.chart .sel-rect { fill: color-mix(in srgb, var(--accent) 18%, transparent); stroke: var(--accent); stroke-width: 1; }
.chart #ocHit { cursor: crosshair; }
.chart.pan-ready #ocHit { cursor: grab; }
.chart.panning #ocHit { cursor: grabbing; }
.chart .cross { stroke: var(--txt-3); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .cross-dot { fill: var(--card); stroke: var(--accent); stroke-width: 2; }
.chart .tip-bg { fill: var(--bg-2); stroke: var(--line-2); stroke-width: 1; }
.chart .tip-tx { fill: var(--txt); font-family: var(--mono); font-size: 11px; }

.cols { display: grid; grid-template-columns: minmax(280px, 1fr) 2fr; gap: 16px; align-items: start; }
.kv { width: 100%; border-collapse: collapse; }
.kv td { padding: 7px 14px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
.kv td:first-child { color: var(--txt-3); white-space: nowrap; width: 40%; }
.kv td:last-child { color: var(--txt); font-family: var(--mono); word-break: break-word; }
.kv tr:last-child td { border-bottom: 0; }

.table-wrap { overflow-x: auto; max-height: 460px; overflow-y: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { position: sticky; top: 0; background: var(--bg-2); text-align: left; padding: 8px 12px; color: var(--txt-3); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl th.num, .tbl td.num { text-align: right; font-family: var(--mono); }
.tbl td { padding: 7px 12px; border-bottom: 1px solid var(--line); color: var(--txt); }
.tbl tbody tr { cursor: pointer; }
.tbl tbody tr:hover { background: var(--bg-3); }
.tbl tbody tr.is-hi { background: color-mix(in srgb, var(--peak) 18%, transparent); }
.tbl .pk-n { color: var(--peak); font-family: var(--mono); }

.head-right { display: inline-flex; align-items: center; gap: 10px; }
.mini-btn { font-size: 12px; padding: 4px 10px; border-radius: 7px; cursor: pointer; border: 1px solid var(--line-2); background: var(--bg-3); color: var(--txt-2); }
.mini-btn:hover { color: var(--accent); border-color: var(--accent); }
.chart-hint { padding: 8px 14px 12px; font-size: 12px; }

.toolbar { position: relative; }
.toolbar.drag-over { outline: 2px dashed var(--accent); outline-offset: -3px; }
.drop-hint { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; background: color-mix(in srgb, var(--card) 90%, transparent); color: var(--accent); font-weight: 600; font-size: 14px; border-radius: 12px; }
.toolbar.drag-over .drop-hint { display: flex; }

@media (max-width: 820px) { .cols { grid-template-columns: 1fr; } }