/* 212 Admin layout and components. */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--canvas);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: 20px; letter-spacing: -.01em; }
h2 { font-size: 22px; letter-spacing: -.01em; }
h3 { font-size: 14px; font-weight: 700; }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--font-mono); font-size: 12px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--duration-fast) ease, border-color var(--duration-fast) ease,
              transform var(--duration-fast) var(--ease-smooth-out);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; }

.btn-primary { background: var(--role-500); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--role-600); }

.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-alt); }

.btn-ghost { background: transparent; color: var(--ink-soft); }
.btn-ghost:hover:not(:disabled) { background: var(--neutral-bg); }

/* ------------------------------------------------------------------ login */

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1100px 460px at 50% -12%, var(--role-100), transparent 70%),
    var(--canvas);
}

.auth-card {
  width: min(100%, 400px);
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  margin-inline: -12px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--role-600);
}

.auth-brand h1,
.auth-brand .muted {
  color: #fff;
}

.brand-logo {
  display: block;
  width: 170px;
  height: auto;
}

.brand-logo-small {
  width: 138px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--role-500);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -.02em;
}

.auth-footnote {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }

.field input {
  width: 100%;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  outline: 0;
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}
.field input:focus { border-color: var(--role-500); box-shadow: 0 0 0 3px var(--role-100); }
.field input[readonly] { background: var(--surface-alt); color: var(--muted); }

.code-input { letter-spacing: .32em; font-family: var(--font-mono); text-align: center; }
.hint { margin-top: 6px; color: var(--muted); font-size: 12px; }

.form-status { min-height: 18px; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--crit-fg); }
.form-status.is-info { color: var(--ink-soft); font-weight: 500; }

/* ------------------------------------------------------------------ shell */

.shell { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); min-height: 100vh; }

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 18px 14px;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-md);
  background: var(--role-600);
}

.brand-name { color: #fff; font-weight: 700; font-size: 15px; }

.sidebar-nav { display: grid; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease;
}
.nav-item:hover { background: var(--surface-alt); color: var(--ink); }
.nav-item[aria-current="page"] { background: var(--role-500); color: #fff; }
.nav-item[aria-current="page"] .nav-dot { background: #fff; }

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-strong);
  flex: none;
  transition: background var(--duration-fast) ease;
}

.nav-badge {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--crit-bg);
  color: var(--crit-fg);
  font-size: 11px;
  font-weight: 700;
}

.sidebar-foot { margin-top: auto; display: grid; gap: 10px; }

.session-card {
  display: grid;
  gap: 2px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  font-size: 13px;
}

/* ---------------------------------------------------------------- content */

.content { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.view-root { padding: 20px 24px 32px; display: grid; gap: 16px; }

/* ------------------------------------------------------------------ cards */

.panel {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.metric { display: grid; gap: 6px; }
.metric .metric-label { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.metric .metric-value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; }

.list { display: grid; gap: 8px; max-height: 320px; overflow-y: auto; }

.item {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}
.item-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.item-meta { color: var(--muted); font-size: 12px; }

.value-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.value-row:last-child { border-bottom: 0; }

.bar { height: 6px; border-radius: 999px; background: var(--neutral-bg); overflow: hidden; }
/* Scaled with transform rather than width: no layout work per frame. */
.bar > span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--role-500);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform var(--duration-base) var(--ease-smooth-out);
}

/* ------------------------------------------------------------------ pills */

.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  text-transform: capitalize;
}
.pill.ok { background: var(--ok-bg); color: var(--ok-fg); }
.pill.warning { background: var(--warn-bg); color: var(--warn-fg); }
.pill.critical { background: var(--crit-bg); color: var(--crit-fg); }
.pill.neutral { background: var(--neutral-bg); color: var(--neutral-fg); }

/* ----------------------------------------------------------------- tables */

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }

.search-input {
  min-width: 240px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  outline: 0;
}
.search-input:focus { border-color: var(--role-500); box-shadow: 0 0 0 3px var(--role-100); }

.row-count { margin-left: auto; color: var(--muted); font-size: 13px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th {
  position: sticky;
  top: 0;
  padding: 10px 12px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: left;
  white-space: nowrap;
}

td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface-alt); }

/* ----------------------------------------------------------------- states */

.state {
  display: grid;
  gap: 6px;
  place-items: center;
  padding: 40px 20px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}
.state strong { font-size: 15px; }
.state p { color: var(--muted); font-size: 13px; max-width: 42ch; }
.state.is-error { border-color: var(--crit-fg); border-style: solid; }

.skeleton {
  height: 84px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-alt) 37%, var(--surface) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: 0 0; } }

/* ------------------------------------------------------------ responsive */

@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; align-items: center; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--border); }
  .sidebar-nav { grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; }
  .sidebar-foot { margin-top: 0; margin-left: auto; grid-auto-flow: column; align-items: center; }
  .grid-4 { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
  .view-root { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}