:root {
  --bg: #0f172a;
  --bg-2: #1e293b;
  --bg-3: #334155;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-2: #2563eb;
  --ok: #10b981;
  --warn: #f59e0b;
  --err: #ef4444;
  --border: #334155;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }

/* ---------- Login ---------- */
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px;
}
.login-card {
  background: var(--bg-2); padding: 32px;
  border-radius: 12px; border: 1px solid var(--border);
  max-width: 380px; width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.login-card h1 { margin: 0 0 8px; font-size: 22px; }
.login-card p { margin: 0 0 20px; color: var(--muted); font-size: 13px; }

/* ---------- Shell ---------- */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--bg-2); border-right: 1px solid var(--border); padding: 20px 0; }
.sidebar h2 { margin: 0 20px 12px; font-size: 16px; }
.sidebar .role-tag {
  margin: 0 20px 20px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
}
.sidebar .badge { background: var(--accent); color: white; font-size: 10px; padding: 1px 6px; border-radius: 8px; margin-left: 6px; vertical-align: middle; }
.sidebar nav a {
  display: block; padding: 10px 20px; color: var(--muted);
  text-decoration: none; font-size: 14px; border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: var(--bg-3); color: var(--fg); }
.sidebar nav a.active { background: var(--bg-3); color: var(--fg); border-left-color: var(--accent); }
.sidebar .footer { padding: 20px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--border); margin-top: 20px; }
.sidebar .footer button { width: 100%; }

.main { padding: 28px 36px; overflow-y: auto; max-height: 100vh; }
.main h1 { margin: 0 0 24px; font-size: 24px; font-weight: 600; }

/* ---------- Form controls ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; min-height: 140px; }

button {
  background: var(--accent); color: white; border: none;
  padding: 9px 16px; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 500;
}
button:hover { background: var(--accent-2); }
button:disabled { background: var(--bg-3); color: var(--muted); cursor: not-allowed; }
button.secondary { background: var(--bg-3); color: var(--fg); }
button.secondary:hover { background: #475569; }
button.danger { background: var(--err); }
button.danger:hover { background: #dc2626; }
button.ok { background: var(--ok); }
button.warn { background: var(--warn); }
button.sm { padding: 4px 10px; font-size: 12px; }

/* ---------- Cards / panels ---------- */
.card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; margin-bottom: 20px;
}
.card h2 { margin: 0 0 16px; font-size: 16px; }
.card h3 { margin: 0 0 12px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 10px 8px; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500; }
td { padding: 10px 8px; font-size: 14px; border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--bg-3); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.tag.pending { background: rgba(245,158,11,0.2); color: var(--warn); }
.tag.approved { background: rgba(16,185,129,0.2); color: var(--ok); }
.tag.online { background: rgba(16,185,129,0.2); color: var(--ok); }
.tag.offline { background: rgba(100,116,139,0.2); color: var(--muted); }
.tag.disabled { background: rgba(239,68,68,0.2); color: var(--err); }
.tag.muted { background: var(--bg-3); color: var(--muted); }
.tag.attendance { background: rgba(59,130,246,0.2); color: var(--accent); }
.tag.user_change { background: rgba(168,85,247,0.2); color: #a855f7; }
.tag.device_status { background: rgba(245,158,11,0.2); color: var(--warn); }
.tag.command_result { background: rgba(100,116,139,0.2); color: var(--muted); }

/* ---------- Stat tiles ---------- */
.stat { background: var(--bg-2); padding: 18px; border-radius: 10px; border: 1px solid var(--border); }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat .value { font-size: 28px; font-weight: 600; margin-top: 6px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px; max-width: 720px; width: 90%;
  max-height: 90vh; overflow-y: auto;
}
.modal h2 { margin: 0 0 16px; font-size: 18px; }

/* ---------- Misc ---------- */
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }
.error-banner { background: rgba(239,68,68,0.15); border: 1px solid var(--err); color: var(--err); padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 14px; }
.success-banner { background: rgba(16,185,129,0.15); border: 1px solid var(--ok); color: var(--ok); padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 14px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input[type=checkbox] { width: auto; }
.code-block { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; white-space: pre-wrap; word-break: break-all; }

/* ---------- Events table ---------- */
.table-scroll { overflow-x: auto; }
.events-table-full { min-width: 1100px; font-size: 13px; }
.events-table-full th,
.events-table-full td { white-space: nowrap; padding: 8px 10px; }
.events-filters .field { margin-bottom: 0; }
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border);
  flex-wrap: wrap; gap: 12px;
}
.extra-chips { display: flex; flex-wrap: wrap; gap: 4px; max-width: 200px; }
.chip {
  display: inline-block; padding: 2px 6px; border-radius: 4px;
  background: var(--bg-3); font-size: 11px; font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.raw-details summary { cursor: pointer; color: var(--accent); }
.raw-details pre { margin-top: 8px; max-height: 200px; overflow: auto; }

/* ---------- Avatars / photos ---------- */
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  object-fit: cover; background: var(--bg-3);
  border: 1px solid var(--border);
  cursor: zoom-in; display: inline-block; vertical-align: middle;
}
.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 88px; height: 88px; border-radius: 12px; cursor: default; }
.avatar-placeholder {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-3); color: var(--muted);
  font-weight: 600; cursor: default;
  text-transform: uppercase;
}

/* ---------- Staged user review ---------- */
.staged-review { min-width: 720px; }
.staged-table { width: 100%; font-size: 13px; }
.staged-table th, .staged-table td { padding: 8px 10px; }
.staged-table select { padding: 4px 6px; font-size: 12px; }
.diff-table { font-size: 12px; margin-top: 4px; }
.diff-table th, .diff-table td { padding: 4px 8px; border-bottom: 1px solid var(--border); }
.diff-table tr.diff td { background: rgba(245,158,11,0.10); color: #fef3c7; }
.tag.new        { background: rgba(59,130,246,0.18); color: #93c5fd; }
.tag.duplicate  { background: rgba(245,158,11,0.18); color: #fcd34d; }
.tag.identical  { background: rgba(148,163,184,0.18); color: var(--muted); }
.tag.error      { background: rgba(239,68,68,0.18); color: var(--err); }

/* Wider modal for the review screen */
.modal { max-width: 920px; }