/* Sentinel Hub — transparent MVP operator dashboard
   Self-contained; no external fonts, icons, or map tiles. */

:root {
  --bg: #0e1420;
  --bg-panel: #16202f;
  --bg-raised: #1d2a3d;
  --border: #2a3a52;
  --text: #e6edf5;
  --text-muted: #8fa1b7;
  --accent: #4da3ff;
  --success: #2fbf71;
  --danger: #e5534b;
  --warning: #d9a13b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ---------- Auth gate ---------- */
.auth-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 420px;
  width: 100%;
}
.auth-brand { display: flex; align-items: center; gap: 10px; color: var(--accent); }
.auth-brand h1 { font-size: 22px; margin: 0; color: var(--text); }
.auth-sub { color: var(--text-muted); font-size: 14px; margin: 12px 0 20px; }
.auth-card label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.auth-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.auth-card input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.auth-note { font-size: 12px; color: var(--text-muted); line-height: 1.5; margin: 12px 0; }
.auth-error { color: var(--danger); font-size: 13px; margin: 8px 0; }

/* ---------- Shell ---------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}
.navbar-brand {
  display: flex; align-items: center; gap: 8px;
  color: var(--accent); text-decoration: none; font-weight: 600; font-size: 17px;
}
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.session-timer { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.posture-banner {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 24px;
  background: rgba(47, 191, 113, 0.10);
  border-bottom: 1px solid rgba(47, 191, 113, 0.35);
  color: var(--success);
  font-size: 13px;
}

.error-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 24px;
  background: rgba(229, 83, 75, 0.12);
  border-bottom: 1px solid rgba(229, 83, 75, 0.5);
  color: var(--danger);
  font-size: 13px;
}
.error-banner-close {
  background: none; border: none; color: inherit; font-size: 18px; cursor: pointer; padding: 0 4px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.page-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-title { font-size: 24px; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.btn:hover:not(:disabled) { filter: brightness(1.15); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #06121f; }
.btn-secondary { background: var(--bg-raised); color: var(--text); border-color: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger-outline { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 8px; }
.btn-col { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }

/* ---------- Device grid / cards ---------- */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.device-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.device-card:hover { border-color: var(--accent); }
.device-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.device-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.device-name { font-weight: 600; font-size: 16px; overflow-wrap: anywhere; }
.device-meta-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; font-size: 13px; }
.meta-row .k { color: var(--text-muted); display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
.meta-row .v { overflow-wrap: anywhere; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-online { background: rgba(47,191,113,0.15); color: var(--success); border: 1px solid rgba(47,191,113,0.4); }
.badge-offline { background: rgba(143,161,183,0.12); color: var(--text-muted); border: 1px solid var(--border); }
.badge-paused { background: rgba(217,161,59,0.15); color: var(--warning); border: 1px solid rgba(217,161,59,0.4); }
.badge-pending { background: rgba(77,163,255,0.12); color: var(--accent); border: 1px solid rgba(77,163,255,0.35); text-transform: none; }

.battery-bar { height: 6px; background: var(--bg); border-radius: 4px; overflow: hidden; margin-top: 4px; }
.battery-fill { height: 100%; background: var(--success); }
.battery-fill.medium { background: var(--warning); }
.battery-fill.low { background: var(--danger); }

/* ---------- Detail ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card-wide { grid-column: 1 / -1; }
.card-title { margin: 0 0 14px; font-size: 16px; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-note { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin: 0 0 14px; }
.footnote { font-size: 12px; color: var(--text-muted); margin: 14px 0 0; font-style: italic; }

.meta-list { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 0; font-size: 14px; }
.meta-list dt { color: var(--text-muted); }
.meta-list dd { margin: 0; overflow-wrap: anywhere; }

.latest-location { font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.map-placeholder {
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--bg);
  min-height: 220px;
  display: flex; align-items: center; justify-content: center;
}
.map-placeholder svg { display: block; max-width: 100%; }
.map-empty { color: var(--text-muted); font-size: 13px; padding: 24px; text-align: center; }

.table-wrap { overflow-x: auto; }
.loc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.loc-table th, .loc-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.loc-table th { color: var(--text-muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
.empty-note { color: var(--text-muted); font-size: 14px; padding: 12px 4px; }

/* ---------- Anti-theft (live, wave 2) ---------- */
.at-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.at-wipe { grid-column: 1 / -1; margin-top: 6px; }
.badge-live { background: rgba(47,191,113,0.15); color: var(--success); border: 1px solid rgba(47,191,113,0.4); text-transform: none; }

/* Inline success/error feedback under the issuer and the queue. */
.at-feedback { font-size: 13px; margin: 10px 0 0; padding: 8px 12px; border-radius: 8px; overflow-wrap: anywhere; }
.at-feedback.fb-ok { background: rgba(47,191,113,0.12); color: var(--success); border: 1px solid rgba(47,191,113,0.35); }
.at-feedback.fb-err { background: rgba(229,83,75,0.12); color: var(--danger); border: 1px solid rgba(229,83,75,0.4); }
.wipe-confirm-hint.fb-err { color: var(--danger); }

/* ---------- Command queue ---------- */
.queue-note { font-size: 12px; color: var(--text-muted); }
.badge-cmd-pending { background: rgba(217,161,59,0.15); color: var(--warning); border: 1px solid rgba(217,161,59,0.45); }
.badge-cmd-delivered { background: rgba(77,163,255,0.15); color: var(--accent); border: 1px solid rgba(77,163,255,0.45); }
.badge-cmd-executed { background: rgba(47,191,113,0.15); color: var(--success); border: 1px solid rgba(47,191,113,0.45); }
.badge-cmd-failed { background: rgba(229,83,75,0.15); color: var(--danger); border: 1px solid rgba(229,83,75,0.5); }
.badge-cmd-expired,
.badge-cmd-cancelled { background: rgba(143,161,183,0.10); color: var(--text-muted); border: 1px solid var(--border); }
.badge-cmd-cancelled { text-decoration: line-through; }
.cmd-cancel-btn { padding: 4px 10px; font-size: 12px; }
.cmd-cell-meta { line-height: 1.5; }
.cmd-cell-meta .cmd-sub { color: var(--text-muted); font-size: 12px; }

/* ---------- Audit trail (collapsible) ---------- */
.audit-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  background: none; border: none; padding: 0;
  color: var(--text); font-size: 16px; font-weight: 600;
  cursor: pointer;
}
.audit-toggle:hover { color: var(--accent); }
.audit-caret { display: inline-block; transition: transform 0.15s ease; color: var(--text-muted); }
.audit-toggle[aria-expanded="true"] .audit-caret { transform: rotate(90deg); }
.audit-detail { max-width: 480px; white-space: normal; overflow-wrap: anywhere; }

/* ---------- Wipe modal (stage 2) ---------- */
.wipe-confirm-label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
#wipeConfirmInput {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--danger); background: var(--bg); color: var(--text);
  font-size: 14px; letter-spacing: 0.08em;
}
#wipeConfirmInput:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.wipe-confirm-hint { color: var(--danger); font-size: 13px; margin: 8px 0 0; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; z-index: 100;
}
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 460px; width: 100%;
}
.modal h2 { margin: 0 0 10px; font-size: 18px; }
.modal p { color: var(--text-muted); font-size: 14px; line-height: 1.6; margin: 0 0 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- States ---------- */
.loading { display: flex; justify-content: center; padding: 48px; grid-column: 1 / -1; }

/* [hidden] must always win over display:flex/grid overrides.
   Without this, the confirm modal paints over the auth gate at page load. */
[hidden] { display: none !important; }
.loading-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  grid-column: 1 / -1;
  text-align: center; padding: 56px 24px;
  background: var(--bg-panel);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.empty-state h3 { margin: 0 0 6px; }
.empty-state p { color: var(--text-muted); margin: 0; font-size: 14px; }

@media (max-width: 800px) {
  .detail-grid { grid-template-columns: 1fr; }
  .at-grid { grid-template-columns: 1fr 1fr; }
}