:root {
  --background: #f8f9ff;
  --surface: #ffffff;
  --surface-soft: #eff4ff;
  --surface-deep: #d3e4fe;
  --ink: #0b1c30;
  --ink-muted: #4d5a6e;
  --frame: #131b2e;
  --frame-muted: #7c839b;
  --outline: #c6c6cd;
  --secondary: #0058be;
  --success: #0b8a63;
  --danger: #ba1a1a;
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.05);
  --radius: 8px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 12% 10%, #e7efff, transparent 34%), var(--background);
}

.hidden,
.section-hidden { display: none !important; }
.eyebrow { margin: 0 0 8px; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--frame-muted); }
.muted { color: var(--ink-muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

input, select, textarea, button {
  font: inherit;
  border-radius: var(--radius);
}
input, select, textarea {
  border: 1px solid var(--outline);
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
}
textarea { min-height: 90px; }
button {
  border: 0;
  padding: 10px 14px;
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
button.secondary { background: #dde9ff; color: #153153; }
button.danger { background: var(--danger); }
button.ghost {
  background: transparent;
  color: #eaf1ff;
  border: 1px solid rgba(234, 241, 255, 0.2);
}
button.ghost.danger { color: #ffc2c2; border-color: rgba(255, 194, 194, 0.25); }
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
button.ms-button {
  width: 100%;
  margin: 8px 0 12px;
  background: #111827;
  color: #fff;
  border: 1px solid #111827;
}
button:hover { filter: brightness(0.97); }

.login-view {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  padding: 28px;
}
.login-hero, .login-card {
  border-radius: 16px;
  border: 1px solid var(--outline);
  box-shadow: var(--shadow-card);
}
.login-hero {
  background: linear-gradient(155deg, #131b2e 0%, #1e2f52 60%, #244f8b 100%);
  color: #f5f8ff;
  padding: 36px;
}
.login-hero h1 { margin: 0 0 12px; font-size: 38px; line-height: 1.12; max-width: 620px; }
.login-hero p { color: #c4d4f3; max-width: 620px; }
.hero-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.hero-grid article {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 16px;
}
.hero-grid h3 { margin: 0 0 6px; font-size: 17px; }

.login-card {
  background: var(--surface);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-card h2 { margin: 0 0 10px; font-size: 30px; }
.stack { display: grid; gap: 10px; }
.splitter {
  display: grid;
  place-items: center;
  margin: 2px 0 10px;
  color: var(--ink-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.splitter::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: #e1e7f3;
  grid-area: 1 / 1;
}
.splitter span {
  grid-area: 1 / 1;
  background: var(--surface);
  padding: 0 10px;
}
.demo-note {
  margin-top: 14px;
  background: var(--surface-soft);
  border: 1px solid #d6e5ff;
  border-radius: 10px;
  padding: 10px;
  font-size: 13px;
}

.portal-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}
.sidebar {
  background: var(--frame);
  color: #eaf1ff;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.brand h2 { margin: 0; font-size: 28px; }
.brand p { margin: 4px 0 0; color: var(--frame-muted); font-size: 13px; }
.nav-menu {
  display: grid;
  gap: 8px;
}
.nav-item {
  padding: 11px 12px;
  border-radius: 10px;
  color: #c8d2ea;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
}
.nav-item.active {
  background: #2170e4;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.main-shell { display: grid; grid-template-rows: auto 1fr; }
.topbar {
  border-bottom: 1px solid var(--outline);
  background: var(--surface);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar h3 { margin: 0; font-size: 24px; }
.session-chip-wrap { display: flex; align-items: center; gap: 10px; }
.status-pill {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.status-pill.admin { background: #d8e2ff; color: #004395; }
.status-pill.user { background: #daf5ef; color: #005236; }

.content {
  padding: 24px;
  display: grid;
  gap: 16px;
}
.grid { display: grid; gap: 16px; }
.grid.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.panel {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  padding: 16px;
}
.panel h3 { margin: 0 0 12px; font-size: 20px; }
.panel h2 { margin: 0 0 10px; }
.row-wrap {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.row-wrap.between { justify-content: space-between; }
.checkline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-muted); }
.mini { width: 104px; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 650px; }
th, td { border-bottom: 1px solid #e4e8f4; padding: 10px 8px; text-align: left; font-size: 14px; }
th { font-size: 12px; color: #4f5e7a; text-transform: uppercase; letter-spacing: .06em; }

.log-box {
  margin: 10px 0 0;
  max-height: 220px;
  overflow: auto;
  background: #f6f9ff;
  border: 1px solid #dce5f7;
  border-radius: 10px;
  padding: 10px;
  font-size: 12px;
}

.user-hero {
  background: linear-gradient(140deg, #dce9ff, #eff4ff);
}
.workspace-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.workspace-card {
  border: 1px solid #d6e4ff;
  background: #f9fbff;
  border-radius: 10px;
  padding: 12px;
}
.workspace-card h4 { margin: 0 0 6px; }
.workspace-meta { font-size: 12px; color: var(--ink-muted); display: grid; gap: 2px; }
.workspace-state {
  margin-top: 8px;
  display: inline-block;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e0ecff;
  color: #1a447f;
  font-weight: 700;
}
.dropzone {
  border: 2px dashed #bfd1f3;
  border-radius: 12px;
  padding: 26px;
  text-align: center;
  background: #f8fbff;
}
.dropzone p { margin: 0 0 8px; font-weight: 600; }
.dropzone span { color: var(--ink-muted); font-size: 13px; }

@media (max-width: 1080px) {
  .login-view { grid-template-columns: 1fr; }
  .portal-shell { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 30; }
  .grid.two-up { grid-template-columns: 1fr; }
}