/* Shared UI kit for the project demos. Each demo sets its brand colours on
   :root (--brand, --brand-soft, --brand-ink) and gets the same shell: a
   sign-in screen, then a sidebar + topbar app with cards, stat tiles,
   tables, badges and forms. Light and dark follow the portfolio theme. */

:root {
  --brand: #4f46e5;
  --brand-ink: #ffffff;
  --brand-soft: rgba(79, 70, 229, 0.12);
  --bg: #f4f5f9;
  --panel: #ffffff;
  --panel-2: #f8f9fc;
  --text: #171a21;
  --muted: #5d6675;
  --faint: #8d96a5;
  --line: #e5e8ef;
  --line-strong: #d3d8e2;
  --ok: #16a34a;
  --ok-soft: rgba(22, 163, 74, 0.12);
  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, 0.14);
  --bad: #dc2626;
  --bad-soft: rgba(220, 38, 38, 0.12);
  --info: #2563eb;
  --info-soft: rgba(37, 99, 235, 0.12);
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  --radius: 14px;
  --font: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-2: #1d212c;
  --text: #eef0f4;
  --muted: #a3abb8;
  --faint: #6f7886;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
svg { display: block; }
.hidden { display: none !important; }

/* ---------- Sign in ---------- */
.login {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(60% 50% at 20% 10%, var(--brand-soft), transparent 70%),
    radial-gradient(50% 40% at 90% 90%, var(--brand-soft), transparent 70%),
    var(--bg);
}
.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 32px 28px 26px;
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  font-weight: 600;
  font-size: 17px;
}
.login-brand .mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--brand);
  color: var(--brand-ink);
}
.login-brand .mark svg { width: 20px; height: 20px; }
.login h1 { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 4px; }
.login p.sub { color: var(--muted); margin-bottom: 20px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12.5px; font-weight: 500; color: var(--muted); }
.field input, .field select {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field select:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  font-weight: 500;
  font-size: 13.5px;
  white-space: nowrap;
  transition: background-color 0.15s, transform 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--panel-2); }
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.06); background: var(--brand); }
.btn.block { width: 100%; }
.btn.sm { height: 32px; padding: 0 12px; font-size: 12.5px; border-radius: 8px; }
.btn.danger { color: var(--bad); }
.btn svg { width: 16px; height: 16px; }
.login .btn.block { margin-top: 6px; }
.login .hint {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--text);
  font-size: 12.5px;
}
.login .hint strong { font-weight: 600; }
.login .foot { margin-top: 18px; text-align: center; color: var(--faint); font-size: 12px; }

/* ---------- App shell ---------- */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100%; }
.side {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
}
.side .brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 16px; font-weight: 600; font-size: 15px; }
.side .brand .mark { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--brand); color: var(--brand-ink); }
.side .brand .mark svg { width: 17px; height: 17px; }
.side .section { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--faint); padding: 12px 10px 6px; }
.navlink {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 500;
  border: 0;
  background: none;
  text-align: left;
  width: 100%;
}
.navlink svg { width: 17px; height: 17px; flex-shrink: 0; }
.navlink:hover { background: var(--panel-2); color: var(--text); }
.navlink.active { background: var(--brand-soft); color: var(--brand); }
.navlink .count { margin-left: auto; font-size: 11px; font-weight: 600; background: var(--bad); color: #fff; border-radius: 999px; padding: 1px 7px; }
.side .spacer { flex: 1; }
.side .user { display: flex; align-items: center; gap: 10px; padding: 10px; border-top: 1px solid var(--line); margin-top: 8px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 600; background: var(--brand); color: var(--brand-ink); flex-shrink: 0; }
.side .user .who { min-width: 0; line-height: 1.25; }
.side .user .who b { display: block; font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side .user .who span { font-size: 11.5px; color: var(--faint); }
.side .user button { margin-left: auto; background: none; border: 0; color: var(--faint); padding: 4px; border-radius: 6px; }
.side .user button:hover { color: var(--text); background: var(--panel-2); }
.side .user button svg { width: 16px; height: 16px; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 60px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar h2 { font-size: 16px; font-weight: 600; }
.topbar .crumbs { color: var(--faint); font-size: 13px; }
.topbar .crumbs b { color: var(--text); font-weight: 600; }
.topbar .actions { display: flex; gap: 8px; align-items: center; }
.content { padding: 22px 24px 40px; display: grid; gap: 18px; align-content: start; }

/* ---------- Pieces ---------- */
.grid { display: grid; gap: 14px; }
.grid.stats { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.grid.two { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.grid.halves { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 0;
}
.card .head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.card .head h3 { font-size: 14px; font-weight: 600; }
.card .head .sub { color: var(--faint); font-size: 12px; }
.card .body { padding: 16px 18px; }
.card .body.flush { padding: 0; }
.stat { padding: 16px 18px; }
.stat .label { font-size: 12px; color: var(--muted); font-weight: 500; }
.stat .value { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; margin-top: 4px; line-height: 1.1; }
.stat .delta { font-size: 12px; margin-top: 6px; color: var(--faint); }
.stat .delta.up { color: var(--ok); }
.stat .delta.down { color: var(--bad); }

.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok { color: var(--ok); background: var(--ok-soft); }
.badge.warn { color: var(--warn); background: var(--warn-soft); }
.badge.bad { color: var(--bad); background: var(--bad-soft); }
.badge.info { color: var(--info); background: var(--info-soft); }
.badge.neutral { color: var(--muted); background: var(--panel-2); }

table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th, table.tbl td { text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.tbl th { font-size: 11.5px; font-weight: 600; color: var(--faint); letter-spacing: 0.04em; text-transform: uppercase; background: var(--panel-2); }
table.tbl tr:last-child td { border-bottom: 0; }
table.tbl tr.row:hover td { background: var(--panel-2); cursor: pointer; }
table.tbl td.num, table.tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl .mono { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.tbl-wrap { overflow-x: auto; }
.empty { padding: 28px; text-align: center; color: var(--faint); }

.bars { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 6px; }
.bars .bar { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 0; height: 100%; justify-content: flex-end; }
.bars .bar i { display: block; width: 100%; border-radius: 6px 6px 3px 3px; background: var(--brand); opacity: 0.85; min-height: 3px; }
.bars .bar i.warn { background: var(--warn); }
.bars .bar i.bad { background: var(--bad); }
.bars .bar span { font-size: 10.5px; color: var(--faint); white-space: nowrap; }

.meter { height: 8px; border-radius: 999px; background: var(--panel-2); overflow: hidden; border: 1px solid var(--line); }
.meter i { display: block; height: 100%; background: var(--brand); border-radius: 999px; }
.meter i.ok { background: var(--ok); } .meter i.warn { background: var(--warn); } .meter i.bad { background: var(--bad); }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; font-size: 13px; }
.kv dt { color: var(--faint); font-weight: 500; }
.kv dd { min-width: 0; word-break: break-word; }
.kv code, code.inline { font-family: var(--mono); font-size: 12px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }
pre.code { font-family: var(--mono); font-size: 12px; line-height: 1.55; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; overflow-x: auto; white-space: pre; }

.timeline { display: grid; gap: 0; }
.timeline .ev { display: grid; grid-template-columns: 70px 20px 1fr; gap: 0 10px; align-items: start; }
.timeline .ev .t { font-family: var(--mono); font-size: 11.5px; color: var(--faint); padding-top: 3px; text-align: right; }
.timeline .ev .n { position: relative; height: 100%; min-height: 44px; }
.timeline .ev .n::before { content: ""; position: absolute; left: 50%; top: 10px; bottom: -10px; width: 2px; margin-left: -1px; background: var(--line-strong); }
.timeline .ev:last-child .n::before { display: none; }
.timeline .ev .n i { position: absolute; left: 50%; top: 5px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.timeline .ev .n i.bad { background: var(--bad); box-shadow: 0 0 0 3px var(--bad-soft); }
.timeline .ev .n i.warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-soft); }
.timeline .ev .n i.muted { background: var(--faint); box-shadow: 0 0 0 3px var(--panel-2); }
.timeline .ev .c { padding-bottom: 14px; }
.timeline .ev .c b { font-family: var(--mono); font-size: 12.5px; font-weight: 600; }
.timeline .ev .c span { display: block; color: var(--muted); font-size: 12.5px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.toolbar input, .toolbar select { height: 36px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--line-strong); background: var(--panel); min-width: 0; }
.toolbar input:focus, .toolbar select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.toolbar .grow { flex: 1; min-width: 160px; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { font-size: 12px; font-weight: 500; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--muted); }
.pill.on { background: var(--brand); color: var(--brand-ink); border-color: transparent; }
.note { font-size: 12.5px; color: var(--muted); }
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; font-size: 13px; border: 1px solid; }
.alert.bad { color: var(--bad); background: var(--bad-soft); border-color: transparent; }
.alert.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.alert.ok { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.alert svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }
.alert b { font-weight: 600; }
.alert .txt { color: var(--text); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 16px);
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
  pointer-events: none;
  max-width: calc(100% - 32px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.demo-ribbon {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 40;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 10px;
  box-shadow: var(--shadow);
  pointer-events: none;
}

/* ---------- Narrow screens ---------- */
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .side { position: sticky; top: 0; height: auto; flex-direction: row; align-items: center; gap: 4px; padding: 8px 10px; border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; z-index: 6; }
  .side .brand { padding: 0 8px 0 0; }
  .side .brand span.txt { display: none; }
  .side .section, .side .spacer, .side .user .who { display: none; }
  .navlink { width: auto; padding: 8px 10px; white-space: nowrap; }
  .navlink span.txt { display: none; }
  .navlink .count { margin-left: 4px; }
  .side .user { border: 0; margin: 0 0 0 auto; padding: 0 0 0 6px; }
  .topbar { height: 52px; padding: 0 16px; }
  .topbar .crumbs { display: none; }
  .content { padding: 16px 14px 32px; }
  .grid.two { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dt { margin-top: 8px; }
  .timeline .ev { grid-template-columns: 56px 20px 1fr; }
  .demo-ribbon { display: none; }
}

[data-go] { cursor: pointer; }
.side .brand .tag { margin-left: auto; font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brand); background: var(--brand-soft); border-radius: 999px; padding: 2px 8px; }
@media (max-width: 820px) { .side .brand .tag { display: none; } }
.navlink.qlink { white-space: normal; line-height: 1.35; }
@media (max-width: 820px) { .card .navlink.qlink { width: 100%; } .card .navlink.qlink span { display: inline; } }
.grid.split { grid-template-columns: minmax(0, 320px) minmax(0, 1fr); }
.grid > * { min-width: 0; }
@media (max-width: 820px) { .grid.split { grid-template-columns: 1fr; } }