@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg: #0b0f14;
    --surface: #111821;
    --surface-2: #161f2a;
    --border: #253141;
    --text: #edf2f7;
    --muted: #8d9bad;
    --cyan: #32d5e8;
    --cyan-soft: rgba(50, 213, 232, .12);
    --green: #3ddc97;
    --red: #ff6b6b;
    --amber: #f4bd50;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
    margin: 0;
    min-width: 320px;
    background:
        radial-gradient(circle at 75% -20%, rgba(33, 114, 138, .22), transparent 35rem),
        var(--bg);
    color: var(--text);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }

.app-shell { min-height: 100vh; }
.app-header {
    height: 72px;
    padding: 0 clamp(1rem, 4vw, 4rem);
    display: flex;
    align-items: center;
    gap: 2.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(11, 15, 20, .88);
    backdrop-filter: blur(18px);
    position: sticky;
    top: 0;
    z-index: 10;
}
.brand { display: flex; align-items: center; gap: .75rem; margin-right: auto; }
.brand-mark {
    width: 36px; height: 36px; border: 1px solid var(--cyan); border-radius: 8px;
    display: grid; place-items: center; color: var(--cyan); font-family: "IBM Plex Mono";
    font-weight: 600; box-shadow: inset 0 0 18px rgba(50, 213, 232, .1);
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: .96rem; letter-spacing: .02em; }
.brand small { font-size: .64rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-top: 2px; }
.app-header nav { display: flex; align-self: stretch; gap: 1.75rem; }
.app-header nav a { color: var(--muted); display: flex; align-items: center; font-size: .84rem; border-bottom: 2px solid transparent; }
.app-header nav a:hover, .app-header nav a.active { color: var(--text); border-color: var(--cyan); }
.environment { color: var(--muted); font-size: .73rem; font-family: "IBM Plex Mono"; }
.environment span { color: var(--amber); border: 1px solid rgba(244,189,80,.35); padding: .2rem .4rem; border-radius: 4px; margin-right: .6rem; }

main { width: min(1440px, calc(100% - 2rem)); margin: 0 auto; padding: 3rem clamp(.25rem, 2vw, 1.5rem) 1.5rem; }
.topbar { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: 2rem; }
.eyebrow, .section-kicker { color: var(--cyan); font: 500 .67rem/1.4 "IBM Plex Mono"; letter-spacing: .16em; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); margin: .35rem 0 .4rem; letter-spacing: -.045em; }
h2 { font-size: 1.15rem; margin: .35rem 0 0; letter-spacing: -.02em; }
.topbar p { color: var(--muted); margin: 0; }
.system-state { color: var(--muted); font: .75rem "IBM Plex Mono"; white-space: nowrap; padding-bottom: .45rem; }
.system-state span { display: inline-block; width: 8px; height: 8px; background: var(--green); border-radius: 50%; box-shadow: 0 0 12px var(--green); margin-right: .55rem; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.metric-card, .panel {
    background: linear-gradient(145deg, rgba(22,31,42,.92), rgba(14,20,28,.96));
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0,0,0,.18);
}
.metric-card { padding: 1.15rem 1.25rem; position: relative; overflow: hidden; }
.metric-card::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; background: var(--border); }
.metric-card.metric-pass::after { background: var(--green); }
.metric-card.metric-fail::after { background: var(--red); }
.metric-card > span { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.metric-card strong { display: block; font: 600 2rem "IBM Plex Mono"; margin: .45rem 0 .3rem; }
.metric-pass strong { color: var(--green); }
.metric-fail strong { color: var(--red); }
.metric-card small { color: #667589; font-size: .7rem; }

.workspace-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; margin-bottom: 1rem; }
.panel { padding: 1.35rem; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.35rem; }
.api-pill { color: var(--cyan); border: 1px solid rgba(50,213,232,.25); background: var(--cyan-soft); font: .68rem "IBM Plex Mono"; padding: .42rem .55rem; border-radius: 5px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
label { color: var(--muted); font-size: .72rem; letter-spacing: .025em; }
label small { display: block; color: #5f6e81; margin-top: .35rem; }
input, select {
    display: block; width: 100%; margin-top: .45rem; background: #0d141d; color: var(--text);
    border: 1px solid var(--border); border-radius: 7px; padding: .72rem .8rem; outline: none;
    font-family: "IBM Plex Mono"; font-size: .82rem;
}
input:focus, select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-soft); }
.action-row { display: flex; gap: .65rem; margin-top: 1.2rem; }
button { border-radius: 7px; padding: .7rem .95rem; cursor: pointer; border: 1px solid transparent; font-weight: 600; font-size: .76rem; }
.primary-button { background: var(--cyan); color: #051014; }
.primary-button:hover { filter: brightness(1.08); }
.primary-button:disabled { opacity: .6; cursor: wait; }
.secondary-button, .refresh-button { background: transparent; color: var(--muted); border-color: var(--border); }
.secondary-button:hover, .refresh-button:hover { color: var(--text); border-color: #3e4d60; }
.submission-message { margin-top: 1rem; padding: .8rem .9rem; border-radius: 7px; font-size: .75rem; display: flex; flex-direction: column; gap: .25rem; }
.message-pass { color: var(--green); border: 1px solid rgba(61,220,151,.25); background: rgba(61,220,151,.08); }
.message-fail { color: var(--red); border: 1px solid rgba(255,107,107,.25); background: rgba(255,107,107,.08); }
.submission-message span { color: var(--muted); }

.architecture-panel { min-height: 100%; }
.flow { display: flex; align-items: center; margin: 1.3rem 0 1.5rem; }
.flow-node { flex: 1; border: 1px solid var(--border); background: #0d141d; border-radius: 8px; padding: .8rem; min-width: 0; }
.flow-node > span { color: var(--cyan); font: .6rem "IBM Plex Mono"; }
.flow-node strong, .flow-node small { display: block; }
.flow-node strong { font-size: .76rem; margin: .3rem 0; }
.flow-node small { color: var(--muted); font-size: .62rem; line-height: 1.35; }
.flow-arrow { color: #46576b; padding: 0 .35rem; }
.design-notes { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.design-notes li { color: var(--muted); font-size: .73rem; }
.design-notes span { color: var(--green); margin-right: .55rem; }

.traceability-panel { margin-bottom: 1rem; }
.trace-search { display: flex; align-items: end; gap: .75rem; margin-bottom: 1.15rem; }
.trace-search label { flex: 1; max-width: 520px; }
.genealogy-summary {
    display: grid; grid-template-columns: 1fr 1fr 1.5fr .7fr; gap: 1px;
    background: var(--border); border: 1px solid var(--border); border-radius: 8px;
    overflow: hidden; margin-bottom: 1rem;
}
.genealogy-summary > div { background: #0d141d; padding: .75rem .85rem; }
.genealogy-summary span, .genealogy-summary strong { display: block; }
.genealogy-summary span { color: #657589; font-size: .6rem; letter-spacing: .09em; text-transform: uppercase; }
.genealogy-summary strong { font: 500 .78rem "IBM Plex Mono"; margin-top: .35rem; }
.lot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.lot-card { border: 1px solid var(--border); background: #0d141d; border-radius: 8px; padding: .9rem; display: grid; grid-template-columns: 30px 1fr; gap: .7rem; }
.lot-icon { width: 30px; height: 30px; display: grid; place-items: center; color: var(--cyan); background: var(--cyan-soft); border: 1px solid rgba(50,213,232,.22); border-radius: 6px; }
.lot-title span, .lot-title strong { display: block; }
.lot-title span { color: var(--text); font-size: .74rem; }
.lot-title strong { color: var(--muted); font: 500 .65rem "IBM Plex Mono"; margin-top: .2rem; }
.lot-card dl { grid-column: 1 / -1; margin: .3rem 0 0; display: grid; gap: .42rem; }
.lot-card dl div { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid rgba(37,49,65,.55); padding-top: .42rem; }
.lot-card dt { color: #617185; font-size: .62rem; }
.lot-card dd { color: var(--muted); font: .62rem "IBM Plex Mono"; margin: 0; text-align: right; }
.trace-note { color: #556579; font-size: .63rem; margin: .8rem 0 0; }
.trace-empty { color: var(--amber); border: 1px solid rgba(244,189,80,.2); background: rgba(244,189,80,.06); border-radius: 7px; padding: .8rem; font-size: .74rem; }

.results-panel { padding-bottom: .7rem; }
.refresh-button { padding: .45rem .65rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .74rem; }
th { color: #647386; font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; text-align: left; padding: .65rem .75rem; border-bottom: 1px solid var(--border); }
td { padding: .8rem .75rem; border-bottom: 1px solid rgba(37,49,65,.65); color: var(--muted); }
tr:hover td { background: rgba(255,255,255,.015); }
.serial { color: var(--text); font-family: "IBM Plex Mono"; }
.status { display: inline-block; min-width: 48px; text-align: center; border-radius: 4px; padding: .23rem .35rem; font: 600 .63rem "IBM Plex Mono"; text-transform: uppercase; }
.status.pass { color: var(--green); background: rgba(61,220,151,.1); }
.status.fail { color: var(--red); background: rgba(255,107,107,.1); }
.failure-detail td { padding-top: .15rem; color: #d98a8a; background: rgba(255,107,107,.025); }

footer { display: flex; justify-content: space-between; color: #526173; font: .66rem "IBM Plex Mono"; padding: 1.2rem .2rem; }
.loading { color: var(--muted); padding: 5rem 0; text-align: center; }

#blazor-error-ui { background: #552121; bottom: 0; box-shadow: 0 -1px 2px rgba(0,0,0,.2); display: none; left: 0; padding: .8rem 1.25rem; position: fixed; width: 100%; z-index: 1000; }
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .65rem; }

@media (max-width: 900px) {
    .app-header nav, .environment { display: none; }
    .metrics { grid-template-columns: 1fr 1fr; }
    .workspace-grid { grid-template-columns: 1fr; }
    .lot-grid { grid-template-columns: 1fr; }
    .genealogy-summary { grid-template-columns: 1fr 1fr; }
    .topbar { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
    main { width: calc(100% - 1rem); padding-top: 2rem; }
    .metrics, .form-grid { grid-template-columns: 1fr; }
    .trace-search { align-items: stretch; flex-direction: column; }
    .genealogy-summary { grid-template-columns: 1fr; }
    .action-row, footer { flex-direction: column; }
    .flow { align-items: stretch; flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); align-self: center; }
}