/* Journey dashboard. Plain CSS, light and dark, no framework. */
:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #1b1f27; --muted: #5d6572; --line: #e2e5ea;
  --accent: #2456d6; --accent-ink: #ffffff; --soft: #eef2fb;
  --ok: #1f8a4c; --ok-bg: #e6f5ec; --warn: #b26a00; --warn-bg: #fff3dd; --bad: #c62828; --bad-bg: #fde8e8;
  --neutral: #5d6572; --neutral-bg: #eceef2; --info: #1f5fbf; --info-bg: #e7eefb;
  --radius: 10px; --shadow: 0 1px 2px rgba(20, 24, 40, .06);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif; font-size: 15px; line-height: 1.45;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --panel: #1a1e26; --ink: #e7eaf0; --muted: #98a2b3; --line: #2a303b;
    --accent: #6d8ff2; --accent-ink: #0f1420; --soft: #1f2634;
    --ok: #4fc47f; --ok-bg: #16311f; --warn: #ffb84d; --warn-bg: #3a2b10; --bad: #ff6b6b; --bad-bg: #3a1a1a;
    --neutral: #98a2b3; --neutral-bg: #262c37; --info: #7fa6f5; --info-bg: #1b2740;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; background: var(--soft); padding: .05em .35em; border-radius: 4px; }
pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; margin: 0; white-space: pre-wrap; word-break: break-all; }
h1 { font-size: 1.6rem; margin: 0 0 .4rem; font-weight: 650; letter-spacing: -.01em; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
h2 { font-size: 1.05rem; margin: 1.8rem 0 .6rem; font-weight: 650; }
h2 .hint { font-weight: 400; margin-left: .4rem; }
p { margin: .4rem 0; }
.lead { color: var(--muted); max-width: 70ch; }
.hint { color: var(--muted); font-size: .88em; }
.warn { color: var(--warn); }
.right { text-align: right; }
.small { font-size: .88em; }

/* layout */
.topbar { display: flex; align-items: center; gap: 1.2rem; padding: .55rem 1.25rem; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { font-weight: 750; color: var(--ink); letter-spacing: -.02em; }
.sitenav { display: flex; gap: .2rem; align-items: center; flex-wrap: wrap; }
.sitenav .sitename { font-weight: 600; margin-right: .5rem; color: var(--muted); }
.sitenav a, .account a { padding: .3rem .6rem; border-radius: 6px; color: var(--ink); }
.sitenav a:hover, .account a:hover { background: var(--soft); text-decoration: none; }
.account { margin-left: auto; display: flex; gap: .2rem; align-items: center; }
main { max-width: 1240px; margin: 0 auto; padding: 1.4rem 1.25rem 3rem; }
main.narrow, .narrow { max-width: 560px; margin-left: auto; margin-right: auto; }
.narrow.wide { max-width: 860px; }
main.narrow { padding-top: 3rem; }
.pagehead { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; align-items: start; }
@media (max-width: 760px) { .two, .grid3 { grid-template-columns: 1fr; } }
.notice { background: var(--ok-bg); color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); padding: .55rem .8rem; border-radius: var(--radius); margin-bottom: 1rem; }
.alert { background: var(--bad-bg); color: var(--bad); border: 1px solid color-mix(in srgb, var(--bad) 30%, transparent); padding: .55rem .8rem; border-radius: var(--radius); margin-bottom: 1rem; }
.empty { background: var(--panel); border: 1px dashed var(--line); border-radius: var(--radius); padding: 1.5rem; text-align: center; color: var(--muted); margin: 1rem 0; }

/* forms */
.stack { display: flex; flex-direction: column; gap: .9rem; }
label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .95rem; }
label .hint { font-weight: 400; }
label.check { flex-direction: row; align-items: center; gap: .5rem; flex-wrap: wrap; font-weight: 600; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .65rem; width: 100%; }
input.short { width: 7rem; }
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[readonly] { color: var(--muted); }
button, .button { font: inherit; font-weight: 600; cursor: pointer; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 8px; padding: .5rem .9rem; display: inline-flex; align-items: center; gap: .35rem; text-decoration: none; }
button:hover, .button:hover { background: var(--soft); text-decoration: none; }
.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.primary:hover { filter: brightness(1.08); background: var(--accent); }
.quiet { background: transparent; }
.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.danger:hover { background: var(--bad-bg); }
.danger-title { color: var(--bad); }
button.small, .button.small { padding: .25rem .6rem; font-size: .88em; }
button.link { background: none; border: none; color: var(--ink); padding: .3rem .6rem; font-weight: 400; }
button.link:hover { background: var(--soft); }
form.inline { display: inline; }

/* tables */
table.list { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table.list th, table.list td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.list th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
table.list tr:last-child td { border-bottom: none; }
table.list.compact td { padding: .4rem .6rem; }
table.list .when { white-space: nowrap; color: var(--muted); }
table.steps td .bar { display: block; height: 4px; margin-top: .3rem; background: var(--soft); border-radius: 2px; position: relative; max-width: 240px; }
table.steps td .bar::after { content: ""; position: absolute; inset: 0; width: var(--w, 0%); background: var(--accent); border-radius: 2px; }
table.steps .drop { color: var(--warn); }
table.steps-form input { min-width: 8rem; }

/* chips */
.chip { display: inline-flex; align-items: center; padding: .15rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 650; letter-spacing: .01em; white-space: nowrap; background: var(--neutral-bg); color: var(--neutral); }
.chip.healthy, .chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.degraded { background: var(--warn-bg); color: var(--warn); }
.chip.broken, .chip.button_missing { background: var(--bad-bg); color: var(--bad); }
.chip.learning { background: var(--info-bg); color: var(--info); }
.chip.low_traffic, .chip.muted, .chip.none { background: var(--neutral-bg); color: var(--neutral); }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1rem; margin-top: 1rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; box-shadow: var(--shadow); border-left: 4px solid var(--line); display: flex; flex-direction: column; gap: .5rem; }
.card header { display: flex; justify-content: space-between; align-items: center; gap: .6rem; }
.card .title { font-weight: 650; color: var(--ink); font-size: 1.02rem; }
.verdict-healthy { border-left-color: var(--ok); }
.verdict-degraded { border-left-color: var(--warn); }
.verdict-broken, .verdict-button_missing { border-left-color: var(--bad); }
.verdict-learning { border-left-color: var(--info); }
.chain { display: flex; flex-wrap: wrap; gap: .25rem .35rem; align-items: center; margin: 0; font-size: .9rem; }
.chain .st { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--soft); padding: .05em .4em; border-radius: 4px; }
.chain .sep, .crumbs .sep { color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(4, auto) 1fr; gap: .6rem 1.2rem; align-items: end; }
.stats .n { display: block; font-size: 1.25rem; font-weight: 650; letter-spacing: -.01em; line-height: 1.1; }
.stats .l { display: block; color: var(--muted); font-size: .78rem; }
.stats.big { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1rem 0; }
.stats.big .n { font-size: 1.6rem; }
.sparkwrap { color: var(--accent); justify-self: end; display: flex; flex-direction: column; align-items: flex-end; }
.spark { display: block; }
.reason { font-size: .92rem; margin: 0; }
.verdictbox { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: var(--radius); padding: .8rem 1.1rem; }

/* explorer */
.crumbs { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; margin: 1rem 0 .8rem; }
.crumb { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--soft); padding: .2rem .55rem; border-radius: 6px; color: var(--ink); }
.crumb.root { font-family: inherit; }
.crumbs .button { margin-left: .5rem; }
.explorer { display: flex; gap: 1rem; overflow-x: auto; padding-bottom: .5rem; scroll-snap-type: x proximity; }
.column { flex: 0 0 320px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem .9rem; box-shadow: var(--shadow); scroll-snap-align: start; }
.column h2 { margin: 0; font-size: .95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.column .sub { color: var(--muted); font-size: .82rem; margin: .1rem 0 .6rem; }
.rows { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .35rem; }
.row { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 0 .5rem; padding: .35rem .5rem .4rem; border-radius: 6px; border: 1px solid transparent; }
.row:hover { background: var(--soft); }
.row.focus { border-color: var(--accent); background: var(--soft); }
.row.exit { color: var(--muted); }
.row .label { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88rem; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .count { font-size: .88rem; font-weight: 600; white-space: nowrap; }
.row .count small { color: var(--muted); font-weight: 400; }
.row .bar { grid-column: 1 / -1; height: 4px; background: var(--neutral-bg); border-radius: 2px; position: relative; margin-top: .25rem; }
.row .bar::after { content: ""; position: absolute; inset: 0; width: var(--w, 0%); background: var(--accent); border-radius: 2px; }
.row.exit .bar::after { background: var(--muted); }
.row .via { grid-column: 1 / -1; color: var(--muted); font-size: .78rem; margin-top: .15rem; }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--panel); }
.segmented a { padding: .35rem .75rem; color: var(--ink); font-size: .9rem; }
.segmented a.on { background: var(--accent); color: var(--accent-ink); }
.segmented a:hover { text-decoration: none; }

/* suggestions */
.suggestions { margin-top: 2rem; }
.plain { list-style: none; margin: 0; padding: 0; }
.plain li { margin: .3rem 0; }
.suggestion { display: grid; grid-template-columns: 1fr auto auto auto; gap: .8rem; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: .55rem .8rem; }
.suggestion .meta { color: var(--muted); font-size: .85rem; white-space: nowrap; }
@media (max-width: 760px) { .suggestion { grid-template-columns: 1fr auto; } .suggestion .meta { grid-column: 1 / -1; } }

/* install */
.codebox { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1rem 0; }
.codebox .copy { position: absolute; top: .6rem; right: .6rem; }
.status { border-radius: var(--radius); padding: .8rem 1rem; margin: 1rem 0; border: 1px solid var(--line); background: var(--panel); }
.status.live { border-color: color-mix(in srgb, var(--ok) 40%, transparent); background: var(--ok-bg); }
.status.waiting { border-style: dashed; }
.pulse { display: inline-block; width: .6rem; height: .6rem; border-radius: 50%; background: var(--accent); animation: pulse 1.4s ease-in-out infinite; vertical-align: middle; margin-right: .2rem; }
@keyframes pulse { 0%, 100% { opacity: .35; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.1); } }
.preview { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1.1rem; margin-top: 1.5rem; }
.result { font-size: 1.05rem; }