/* EIS Platform Admin Surface — PW-aligned visual baseline.
   Canonical design lineage: Executive Brand Product Window workspace.
   AI Gateway demos inform interaction density only, not visual identity. */
:root {
  --workspace-bg: #f7f5f2;
  --workspace-panel: #ffffff;
  --workspace-fg: #1a1a1a;
  --workspace-muted: #5d625f;
  --workspace-accent: #2c4a3e;
  --workspace-border: #d8d4cd;
  --workspace-danger: #8b2f2f;
  --workspace-warning: #765b16;
  --workspace-success: #245b42;
  --workspace-touch-min: 2.75rem;
  --workspace-soft: #f0ede8;
  --workspace-code: #f3f1ed;
  --rail-width: 10.5rem;
}

html { box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--workspace-fg);
  background:
    radial-gradient(ellipse at top left, rgba(44, 74, 62, 0.08), transparent 50%),
    linear-gradient(180deg, var(--workspace-bg), #ebe6df);
}
a { color: inherit; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid rgba(44, 74, 62, 0.25); outline-offset: 2px; }

.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  padding: .65rem 1rem; border-radius: .45rem;
  background: var(--workspace-accent); color: #fff; font-weight: 700;
}
.skip-link:focus { top: 1rem; }

/* Authentication */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card {
  width: min(27rem, 92vw); padding: 1.5rem;
  border: 1px solid var(--workspace-border); border-radius: .75rem;
  background: var(--workspace-panel); box-shadow: 0 .35rem 1.2rem rgba(28,36,32,.06);
}
.login-card form { display: grid; gap: 1rem; }
.login-card label { display: grid; gap: .35rem; font-weight: 650; }
.login-card input {
  width: 100%; min-height: var(--workspace-touch-min); padding: .65rem .75rem;
  border: 1px solid var(--workspace-border); border-radius: .45rem; background: #fff;
}
.login-card button, .topbar button {
  min-height: var(--workspace-touch-min); padding: .65rem 1rem;
  border: 0; border-radius: .45rem; color: #fff;
  background: var(--workspace-accent); font-weight: 700; cursor: pointer;
}
.brand.large { font-size: 1.75rem; color: var(--workspace-accent); font-weight: 750; }

/* Administrative shell */
.rail {
  position: fixed; inset: 0 auto 0 0; width: var(--rail-width);
  padding: 1.25rem .85rem; background: rgba(255,255,255,.92);
  border-right: 1px solid var(--workspace-border);
  display: flex; flex-direction: column; gap: .35rem;
  backdrop-filter: blur(12px);
}
.brand {
  margin: .25rem .5rem 1.25rem; color: var(--workspace-accent);
  font-size: .95rem; font-weight: 800; letter-spacing: .08em;
}
.rail a {
  padding: .72rem .75rem; border-radius: .5rem; text-decoration: none;
  color: var(--workspace-muted); font-size: .88rem; font-weight: 650;
}
.rail a:hover, .rail a:focus-visible { background: var(--workspace-soft); color: var(--workspace-accent); }
.rail .rail-note {
  margin-top: auto; padding: .75rem; border-top: 1px solid var(--workspace-border);
  color: var(--workspace-muted); font-size: .72rem; line-height: 1.45;
}
.shell { margin-left: var(--rail-width); min-height: 100vh; }
.topbar {
  min-height: 4rem; display: flex; align-items: center; justify-content: space-between;
  padding: .65rem 1.5rem; border-bottom: 1px solid var(--workspace-border);
  background: rgba(255,255,255,.9); backdrop-filter: blur(10px);
}
.topbar strong { color: var(--workspace-accent); }
.topbar .muted { margin-left: .75rem; }
.topbar form { margin: 0; }
.topbar button.ghost { background: transparent; color: var(--workspace-accent); border: 1px solid var(--workspace-border); }
.content { width: min(100% - 2rem, 78rem); margin: 0 auto; padding: 2rem 0 3rem; }

/* PW content primitives */
.eyebrow {
  margin: 0 0 .35rem; color: var(--workspace-muted); font-size: .8rem;
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
h1 { margin: 0 0 .5rem; color: var(--workspace-accent); font-size: clamp(1.65rem,3vw,2.25rem); }
h2 { margin: 0; font-size: 1.05rem; }
.lead { max-width: 52rem; color: var(--workspace-muted); line-height: 1.55; }
.grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin-top: 1.25rem; }
.panel {
  padding: 1.25rem; border: 1px solid var(--workspace-border); border-radius: .75rem;
  background: var(--workspace-panel); box-shadow: 0 .35rem 1.2rem rgba(28,36,32,.06);
}
.panel h2 { margin-bottom: .65rem; }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: var(--workspace-touch-min); padding: .72rem .15rem;
  border-top: 1px solid #ece8e2; text-decoration: none;
}
.row:first-of-type { border-top: 0; }
a.row:hover { color: var(--workspace-accent); }
.muted { color: var(--workspace-muted); font-size: .82rem; }
.badge, .status-chip {
  display: inline-flex; align-items: center; padding: .25rem .6rem;
  border-radius: 999px; background: #eceae6; color: var(--workspace-muted);
  font-size: .72rem; font-weight: 700; white-space: nowrap;
}
.metric-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .75rem; margin: 1.25rem 0; }
.metric-strip div {
  min-width: 0; padding: .9rem 1rem; border: 1px solid var(--workspace-border);
  border-radius: .65rem; background: var(--workspace-panel);
}
.metric-strip span { display: block; margin-bottom: .25rem; color: var(--workspace-muted); font-size: .72rem; }
pre { overflow: auto; padding: .85rem; border-radius: .45rem; background: var(--workspace-code); }
.alert { padding: .8rem; border: 1px solid #d8bcbc; border-radius: .45rem; background: #f6e4e4; color: var(--workspace-danger); }

/* Operational IA patterns adapted from the AI Gateway lineage. */
.capability-band { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .75rem; margin-top: 1.25rem; }
.capability-card {
  display: block; min-height: 7rem; padding: 1rem; border: 1px solid var(--workspace-border);
  border-radius: .75rem; background: var(--workspace-panel); text-decoration: none;
  box-shadow: 0 .25rem .8rem rgba(28,36,32,.04);
}
.capability-card:hover { border-color: rgba(44,74,62,.45); transform: translateY(-1px); }
.capability-card .kicker { color: var(--workspace-muted); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.capability-card .title { margin-top: .4rem; color: var(--workspace-accent); font-weight: 750; }
.capability-card .meta { margin-top: .65rem; color: var(--workspace-muted); font-size: .78rem; line-height: 1.45; }
[data-state="success"] { color: var(--workspace-success); }
[data-state="warning"] { color: var(--workspace-warning); }
[data-state="error"] { color: var(--workspace-danger); }

@media (max-width: 62rem) {
  .rail { position: static; width: auto; flex-direction: row; align-items: center; overflow-x: auto; }
  .rail .brand { margin: 0 .75rem 0 0; }
  .rail .rail-note { display: none; }
  .shell { margin-left: 0; }
  .grid, .capability-band { grid-template-columns: 1fr; }
  .metric-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 42rem) {
  .topbar { align-items: flex-start; gap: .5rem; }
  .topbar .muted { display: block; margin: .2rem 0 0; }
  .content { width: min(100% - 1.25rem, 78rem); padding-top: 1.25rem; }
  .metric-strip { grid-template-columns: 1fr; }
}