/* Dense, quiet data UI: neutral greys with a slight green bias, one green accent for "best price". */
:root {
  --bg: #f7f8f7;
  --surface: #ffffff;
  --sidebar: #f0f2f0;
  --line: #e2e6e3;
  --line-strong: #cfd5d1;
  --fg: #18201c;
  --muted: #66706a;
  --accent: #127a4f;
  --accent-soft: #e3f3ea;
  --warn-soft: #fff4dc;
  --warn: #8a5a00;
  --bad: #b4232c;
  --chip-hdd: #e8edf7;   --chip-hdd-fg: #33508f;
  --chip-sata: #f4ebf8;  --chip-sata-fg: #7a3d96;
  --chip-nvme: #fdeee4;  --chip-nvme-fg: #a14a12;
  --chip-ext: #e6f3f3;   --chip-ext-fg: #1d6b6b;
  /* Chart series, fixed order (validated for colour-blind separation) */
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300;
  --grid: #e9ece9;
  --axis: #c9cfcb;
  --good: #006300;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sb-w: 216px;
  --sb-w-collapsed: 56px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111513; --surface: #161b18; --sidebar: #131815;
    --line: #252d28; --line-strong: #323c36;
    --fg: #e4e9e6; --muted: #929c96;
    --accent: #4cc38a; --accent-soft: #163526;
    --warn-soft: #3a2e12; --warn: #f0c060; --bad: #f2777d;
    --chip-hdd: #1d2740;  --chip-hdd-fg: #a9bdf0;
    --chip-sata: #2d1f36; --chip-sata-fg: #d6aee8;
    --chip-nvme: #3a2416; --chip-nvme-fg: #f2b38a;
    --chip-ext: #15302f;  --chip-ext-fg: #8fd3d3;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300;
    --grid: #232a26; --axis: #36403a; --good: #4cc38a;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--fg); font: 13px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.ico { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.strong { font-weight: 650; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ---- Shell & sidebar ---- */
.shell { display: grid; grid-template-columns: var(--sb-w) minmax(0, 1fr); min-height: 100vh; transition: grid-template-columns .15s ease; }
.sb-collapsed .shell { grid-template-columns: var(--sb-w-collapsed) minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 8px; padding: 12px 8px; background: var(--sidebar); border-right: 1px solid var(--line); overflow: hidden; }
.sb-head { display: flex; align-items: center; justify-content: space-between; gap: 4px; padding: 0 4px 8px; }
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 650; font-size: 14px; white-space: nowrap; min-width: 0; }
.logo-mark { display: grid; place-items: center; width: 32px; height: 26px; flex: none; border-radius: 6px; background: var(--accent); color: var(--surface); font: 700 10px/1 var(--mono); letter-spacing: -.02em; }
.sb-toggle { display: grid; place-items: center; width: 28px; height: 28px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }
.sb-toggle:hover { background: var(--line); color: var(--fg); }
.sb-nav { display: flex; flex-direction: column; gap: 2px; }
.region-toggle { display: flex; margin: 0 4px 4px; border: 1px solid var(--line-strong); border-radius: 6px; overflow: hidden; flex: none; }
.region-toggle a { flex: 1; padding: 4px 8px; text-align: center; text-decoration: none; font-size: 12px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.region-toggle a + a { border-left: 1px solid var(--line-strong); }
.region-toggle a:hover { color: var(--fg); background: var(--line); }
.region-toggle a.on { background: var(--fg); color: var(--surface); }
.sb-collapsed .region-toggle { flex-direction: column; margin: 0 0 4px; }
.sb-collapsed .region-toggle a + a { border-left: 0; border-top: 1px solid var(--line-strong); }
.sb-collapsed .region-toggle a { padding: 4px 0; }
.sb-nav a { display: flex; align-items: center; gap: 10px; height: 32px; padding: 0 10px; border-radius: 6px; text-decoration: none; color: var(--muted); white-space: nowrap; }
.sb-nav a:hover { background: var(--line); color: var(--fg); }
.sb-nav a.active { background: var(--surface); color: var(--fg); box-shadow: 0 0 0 1px var(--line); font-weight: 550; }
.sb-secondary { padding-top: 8px; border-top: 1px solid var(--line); }
.sb-foot { margin-top: auto; }
.sb-collapsed .label { display: none; }
.sb-collapsed .sb-head { flex-direction: column; gap: 8px; }
.sb-collapsed .sb-toggle .ico { transform: rotate(180deg); }
.sb-collapsed .sb-nav a { justify-content: center; padding: 0; }

.main { min-width: 0; padding: 20px 24px 40px; display: flex; flex-direction: column; gap: 16px; }

/* ---- Page header ---- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 18px; font-weight: 650; letter-spacing: -.01em; text-wrap: balance; }
.sub { margin: 2px 0 0; color: var(--muted); }
.btn { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--fg); font: inherit; font-weight: 550; text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--muted); }
.btn .ico { width: 15px; height: 15px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.btn.primary:hover { filter: brightness(1.08); }
.btn[disabled] { opacity: .6; cursor: default; }
.notice { padding: 9px 12px; border-radius: 6px; background: var(--warn-soft); color: var(--fg); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
.notice.ok { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }

/* ---- Drive table ---- */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 0 10px; height: 34px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 45%, transparent); }
thead th { position: sticky; top: 0; z-index: 1; background: var(--surface); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); border-bottom-color: var(--line-strong); }
th a { display: inline-flex; align-items: center; gap: 4px; text-decoration: none; }
th a:hover { color: var(--fg); }
th[aria-sort="ascending"], th[aria-sort="descending"] { color: var(--fg); }
th[aria-sort="ascending"] .arrow::after { content: "↑"; }
th[aria-sort="descending"] .arrow::after { content: "↓"; }
.num { text-align: right; }
th.num a { flex-direction: row-reverse; }
td.ppt { font-weight: 650; }
td.name { white-space: normal; min-width: 280px; max-width: 520px; line-height: 1.35; padding-block: 6px; }
td.name a { text-decoration: none; }
td.name a:hover { text-decoration: underline; text-underline-offset: 2px; }
tr.pinned { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
tr.is-hidden td { opacity: .55; }
.badge { display: inline-flex; align-items: center; gap: 3px; margin-left: 2px; padding: 0 6px; border-radius: 4px; font-size: 11px; font-weight: 600; white-space: nowrap; vertical-align: 1px; }
.badge .ico { width: 12px; height: 12px; }
.badge.deal { background: var(--accent-soft); color: var(--good); }
.badge.featured { background: var(--chip-hdd); color: var(--chip-hdd-fg); }
.chip { display: inline-block; padding: 2px 7px; border-radius: 4px; font-size: 11.5px; font-weight: 550; }
.t-hdd { background: var(--chip-hdd); color: var(--chip-hdd-fg); }
.t-sata { background: var(--chip-sata); color: var(--chip-sata-fg); }
.t-nvme { background: var(--chip-nvme); color: var(--chip-nvme-fg); }
.t-external { background: var(--chip-ext); color: var(--chip-ext-fg); }
.cond-used, .cond-refurbished { color: var(--warn); font-weight: 550; }
.buy-cell { padding-block: 4px; }
.buys { display: flex; gap: 6px; }
.trend-cell { padding-block: 3px; }
.spark { display: inline-block; line-height: 0; padding: 1px; border-radius: 5px; }
.spark:hover { background: var(--accent-soft); }
.spark-line { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.spark-area { fill: var(--muted); opacity: .08; }
.spark-end { fill: var(--muted); stroke: var(--surface); stroke-width: 1.5; }
.spark.down .spark-end { fill: var(--good); }
.spark.down .spark-line { stroke: var(--good); }
.spark.down .spark-area { fill: var(--good); }
.spark-none { display: inline-block; width: 84px; text-align: center; }
.buy { display: inline-flex; flex-direction: column; align-items: flex-start; min-width: 78px; padding: 2px 8px; border: 1px solid var(--line-strong); border-radius: 5px; text-decoration: none; font-size: 11px; font-weight: 600; line-height: 1.25; }
.buy span { font-weight: 450; color: var(--muted); font-variant-numeric: tabular-nums; }
.buy:hover { border-color: var(--accent); }
.buy.best { border-color: var(--accent); background: var(--accent-soft); }
.buy.best span { color: var(--accent); font-weight: 600; }
.buy.search span { font-style: italic; }

.buys.big .buy { min-width: 110px; padding: 6px 12px; font-size: 13px; }
.buys.big .buy span { font-size: 13px; }
.buy-link { font-weight: 600; color: var(--accent); text-decoration: none; }
.buy-link:hover { text-decoration: underline; }

/* ---- Filter bar ---- */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filters select, .filters input[type="search"] { height: 30px; padding: 0 8px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--fg); font: inherit; }
.filters input[type="search"] { min-width: 0; width: 260px; max-width: 100%; }
.filters select:hover { border-color: var(--muted); }
.js .filters[data-filters] .apply { display: none; }
.filters .clear { color: var(--muted); }
.filters .clear:hover { color: var(--fg); }

/* ---- Drive page ---- */
.crumbs { color: var(--muted); font-size: 12px; margin-bottom: -8px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--fg); }
.page-head .sub { max-width: 90ch; }
.admin-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 8px 12px; border: 1px dashed var(--line-strong); border-radius: 8px; }
.inline-form { display: inline; margin: 0; }
.btn.small { height: 24px; padding: 0 8px; font-size: 12px; }
td.actions { display: flex; gap: 6px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; display: grid; gap: 2px; }
.tile-label { color: var(--muted); font-size: 12px; }
.tile-value { font-size: 22px; font-weight: 650; letter-spacing: -.01em; }
.tile-sub { color: var(--muted); font-size: 12px; }
.delta { font-weight: 650; color: var(--fg); }
.delta.good { color: var(--good); }
.chart-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.chart-desc { margin: -6px 0 0; color: var(--muted); font-size: 12px; }
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 6px; overflow: hidden; }
.seg a { padding: 3px 10px; text-decoration: none; color: var(--muted); font-size: 12px; font-weight: 550; }
.seg a + a { border-left: 1px solid var(--line-strong); }
.seg a:hover { color: var(--fg); background: var(--bg); }
.seg a.on { background: var(--fg); color: var(--surface); }
.legend { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.legend .muted { font-variant-numeric: tabular-nums; }
.key { display: inline-block; width: 14px; height: 2px; border-radius: 1px; background: var(--s1); }
.key.s1 { background: var(--s1); } .key.s2 { background: var(--s2); } .key.s3 { background: var(--s3); }
.key.s4 { background: var(--s4); } .key.s5 { background: var(--s5); } .key.s6 { background: var(--s6); }
.chart { position: relative; height: 280px; border-radius: 6px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .series { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .crosshair { stroke: var(--muted); stroke-width: 1; }
.chart .dot { stroke: var(--surface); stroke-width: 2; }
.chart-tip { position: absolute; z-index: 2; pointer-events: none; min-width: 150px; padding: 8px 10px; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 6px; box-shadow: 0 6px 20px rgba(0, 0, 0, .12); font-size: 12px; display: grid; gap: 3px; }
.chart-tip .tip-date { color: var(--muted); margin-bottom: 2px; }
.chart-tip .tip-row { display: flex; align-items: center; gap: 6px; }
.chart-tip .tip-row strong { font-variant-numeric: tabular-nums; }
.chart-tip .tip-row span:last-child { color: var(--muted); }
.data-table summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.data-table summary:hover { color: var(--fg); }
.data-table .table-wrap { margin-top: 8px; max-height: 320px; overflow: auto; }
.form label.check { display: flex; align-items: flex-start; gap: 8px; font-weight: 550; }
.form label.check input { width: auto; margin-top: 2px; }

.empty { padding: 48px 16px; text-align: center; background: var(--surface); border: 1px dashed var(--line-strong); border-radius: 8px; }
.empty h2 { margin: 0 0 4px; font-size: 15px; }
.empty p { margin: 4px 0; color: var(--muted); }
.disclosure { color: var(--muted); font-size: 12px; max-width: 80ch; }
.disclosure p { margin: 0 0 6px; }

/* ---- About ---- */
.prose { max-width: 66ch; font-size: 14px; line-height: 1.6; }
.prose h2 { font-size: 15px; margin: 20px 0 4px; }
.prose p { margin: 0 0 10px; }

/* ---- Admin & forms ---- */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.panel h2 { margin: 0; font-size: 14px; font-weight: 650; }
.panel h2:not(:first-child) { margin-top: 8px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; align-items: center; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 11.5px; font-weight: 600; background: var(--line); color: var(--muted); }
.pill.ok { background: var(--accent-soft); color: var(--accent); }
.pill.run { background: var(--chip-hdd); color: var(--chip-hdd-fg); }
.pill.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }
.inline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.form label { display: block; font-weight: 550; margin-bottom: 4px; }
.form input, .form textarea { width: 100%; padding: 6px 9px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; }
.form textarea { font-family: var(--mono); font-size: 12px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 16px; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.runs td.errs { white-space: normal; color: var(--bad); font-size: 12px; min-width: 240px; }
.login { max-width: 340px; margin: 10vh auto 0; display: flex; flex-direction: column; gap: 12px; }
.login h1 { margin: 0; font-size: 18px; }
.login .form { display: flex; flex-direction: column; gap: 4px; }
.login .btn { margin-top: 10px; justify-content: center; }
.error { margin: 0; color: var(--bad); }

/* ---- Deals, alerts, similar drives ---- */
.seg.wrap { flex-wrap: wrap; align-self: flex-start; max-width: 100%; }
.alert-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 12px; }
.alert-form .field { display: grid; gap: 4px; min-width: 0; }
.alert-form .field.grow { flex: 1 1 220px; }
.alert-form label { font-weight: 550; font-size: 12px; }
.alert-form input, .alert-form select { height: 32px; padding: 0 9px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; width: 100%; }
.alert-form input:focus, .alert-form select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.alert-form .btn { height: 32px; }
.money-input { display: flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--bg); width: 130px; }
.money-input span { padding-left: 9px; color: var(--muted); }
.alert-form .money-input input { border: 0; background: transparent; padding-left: 4px; font-variant-numeric: tabular-nums; }
.money-input:focus-within { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.alert-form .money-input input:focus { outline: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.message { max-width: 520px; margin: 8vh auto 0; display: grid; gap: 10px; }
.message h1 { margin: 0; font-size: 20px; }
.message p { margin: 0; color: var(--muted); font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; }
.outbox { display: grid; gap: 6px; }
.outbox details { border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; }
.outbox summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.mail-body { margin: 10px 0 2px; padding: 10px 12px; background: var(--bg); border-radius: 6px; white-space: pre-wrap; word-break: break-word; font: 12px/1.5 var(--mono); }
.mail-body a { color: var(--accent); }
.span2 { grid-column: span 2; }
code { font-family: var(--mono); font-size: .92em; padding: 0 3px; border-radius: 3px; background: var(--line); }

/* ---- Phones: sidebar becomes a top bar ---- */
@media (max-width: 720px) {
  .shell, .sb-collapsed .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; padding: 8px 12px; border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; }
  .sb-head, .sb-collapsed .sb-head { flex-direction: row; padding: 0; }
  .region-toggle, .sb-collapsed .region-toggle { flex-direction: row; margin: 0; }
  .region-toggle .label, .sb-collapsed .region-toggle .label { display: none; }
  .sb-collapsed .region-toggle a + a { border-top: 0; border-left: 1px solid var(--line-strong); }
  .sb-collapsed .region-toggle a { padding: 4px 8px; }
  .sb-toggle { display: none; }
  .sb-nav { flex-direction: row; }
  .sb-foot { margin: 0 0 0 auto; }
  .sb-nav .label, .sb-collapsed .label { display: none; }
  .sb-collapsed .logo .label, .logo .label { display: inline; }
  .sb-nav a { padding: 0 8px; }
  .main { padding: 16px 16px 32px; }
  .sb-secondary { padding: 0 0 0 8px; border-top: 0; border-left: 1px solid var(--line); }
  .chart { height: 220px; }
  .page-head .buys.big { width: 100%; }
  .span2 { grid-column: auto; }
  .money-input { width: 100%; }
  .alert-form .field { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { .shell { transition: none; } }