/* HSIA Admin — compact dark UI */
:root {
  --bg-deep: #07080d;
  --bg-panel: #10121a;
  --bg-elevated: #161a26;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaef;
  --text-muted: #8b92a8;
  --accent: #3ee0c7;
  --accent-dim: rgba(62, 224, 199, 0.15);
  --danger: #f87171;
  --warn-bg: rgba(251, 191, 36, 0.12);
  --warn-border: rgba(251, 191, 36, 0.35);
  --radius: 10px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap");

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body.admin-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(62, 224, 199, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(99, 102, 241, 0.1), transparent 50%),
    var(--bg-deep);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.admin-shell {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  padding: 1.25rem 1rem;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.admin-brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}
.admin-brand span {
  color: var(--accent);
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.admin-nav a {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.92rem;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.admin-nav a:hover {
  background: var(--accent-dim);
  color: var(--text);
  text-decoration: none;
}

.admin-nav a.is-active {
  background: rgba(62, 224, 199, 0.12);
  color: var(--accent);
}

.admin-sidebar-foot {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: rgba(7, 8, 13, 0.65);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.admin-topbar-left,
.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.admin-tenant-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-tenant-pill--muted {
  color: var(--text-muted);
  font-weight: 500;
}

.admin-tenant-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-select {
  appearance: none;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-elevated) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b92a8' d='M3 4.5L6 8l3-3.5'/%3E%3C/svg%3E") no-repeat right 0.65rem center;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 2rem 0.45rem 0.65rem;
  min-width: 200px;
  max-width: min(360px, 50vw);
  cursor: pointer;
}
.admin-select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.admin-content {
  flex: 1;
  padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 2.5rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.admin-flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.admin-flash--warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  color: #fcd34d;
}

.admin-page-title {
  font-size: 1.65rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.admin-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 52rem;
}

.admin-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.admin-card + .admin-card {
  margin-top: 1.25rem;
}

.admin-table-wrap {
  overflow-x: auto;
  margin-top: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.admin-table th,
table.admin-table td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.admin-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-elevated);
}

table.admin-table tr:last-child td {
  border-bottom: none;
}

table.admin-table code {
  font-family: var(--mono);
  font-size: 0.82rem;
  word-break: break-all;
}

.err,
.admin-err {
  color: var(--danger);
  margin: 0.5rem 0;
}

form.admin-form label {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

form.admin-form input,
form.admin-form textarea,
form.admin-form select {
  display: block;
  width: 100%;
  max-width: 28rem;
  margin-top: 0.35rem;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

form.admin-form textarea {
  min-height: 5rem;
  resize: vertical;
}

button,
.admin-btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  margin-top: 0.75rem;
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
  color: #042f2e;
}
button:hover,
.admin-btn:hover {
  filter: brightness(1.06);
}

button.admin-btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.admin-muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Login page */
body.admin-login-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(800px 400px at 50% -20%, rgba(62, 224, 199, 0.18), transparent 60%),
    var(--bg-deep);
}

.admin-login-card {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  border-radius: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.admin-login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}
.admin-login-card .admin-lead {
  margin-bottom: 1.25rem;
}

/* Analytics nested lists */
.admin-analytics-tree ul {
  margin: 0.35rem 0 0.75rem 1rem;
  padding: 0;
  list-style: none;
}
.admin-analytics-tree > ul > li {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.admin-analytics-tree li li {
  margin: 0.25rem 0;
}

.admin-dl {
  display: grid;
  grid-template-columns: minmax(10rem, 14rem) 1fr;
  gap: 0.35rem 1.25rem;
  margin: 1rem 0;
}
.admin-dl dt {
  color: var(--text-muted);
  font-size: 0.88rem;
}
.admin-dl dd {
  margin: 0;
}

.admin-pre {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  max-height: 14rem;
  color: var(--text-muted);
}

.text-critical {
  color: var(--danger);
}
.text-warning {
  color: #fbbf24;
}

.admin-subnav {
  margin-top: 1rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.admin-subnav a {
  margin-right: 0.5rem;
}

@media (max-width: 880px) {
  .admin-shell {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .admin-nav {
    flex-direction: row;
    flex-wrap: wrap;
    flex: 1;
  }
  .admin-sidebar-foot {
    width: 100%;
    border-top: none;
    padding-top: 0;
    margin-top: 0;
  }
}