/* Apple-style theme layer. Loaded after Bootstrap 5; tokens drive both themes. */
:root,
[data-bs-theme="light"] {
  color-scheme: light;
  --apple-page: #f5f5f7;
  --apple-surface: #ffffff;
  --apple-surface-2: #f2f2f7;
  --apple-text: #1d1d1f;
  --apple-text-secondary: #6e6e73;
  --apple-accent: #0071e3;
  --apple-accent-hover: #0077ed;
  --apple-accent-active: #0068d6;
  --apple-btn-bg: #0071e3;
  --apple-btn-hover: #0077ed;
  --apple-btn-active: #0068d6;
  --apple-btn-danger-bg: #d70015;
  --apple-btn-danger-hover: #b80012;
  --apple-btn-danger-active: #a30010;
  --apple-green: #34c759;
  --apple-red: #ff3b30;
  --apple-orange: #ff9f0a;
  --apple-green-soft: rgba(52, 199, 89, 0.12);
  --apple-red-soft: rgba(255, 59, 48, 0.1);
  --apple-orange-soft: rgba(255, 159, 10, 0.14);
  --apple-neutral-soft: rgba(118, 118, 128, 0.12);
  --apple-fill: rgba(118, 118, 128, 0.12);
  --apple-fill-strong: rgba(118, 118, 128, 0.2);
  --apple-hairline: rgba(0, 0, 0, 0.08);
  --apple-row-hover: rgba(0, 0, 0, 0.025);
  --apple-topbar: rgba(255, 255, 255, 0.72);
  --apple-shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --apple-shadow-pop: 0 12px 40px rgba(0, 0, 0, 0.16);
  --apple-radius-card: 18px;
  --apple-radius-control: 12px;
  --apple-radius-pill: 980px;
  --apple-motion: 200ms;
  --apple-accent-rgb: 0, 113, 227;
  --apple-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --apple-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bs-body-font-family: var(--apple-font);
  --bs-body-bg: var(--apple-page);
  --bs-body-color: var(--apple-text);
  --bs-emphasis-color: var(--apple-text);
  --bs-secondary-color: var(--apple-text-secondary);
  --bs-tertiary-color: var(--apple-text-secondary);
  --bs-secondary-bg: var(--apple-surface-2);
  --bs-tertiary-bg: var(--apple-surface-2);
  --bs-border-color: var(--apple-hairline);
  --bs-border-color-translucent: var(--apple-hairline);
  --bs-border-radius: var(--apple-radius-control);
  --bs-border-radius-lg: var(--apple-radius-card);
  --bs-link-color: var(--apple-accent);
  --bs-link-hover-color: var(--apple-accent-hover);
  --bs-primary-rgb: var(--apple-accent-rgb);
  --bs-focus-ring-color: rgba(var(--apple-accent-rgb), 0.25);
}

[data-bs-theme="dark"] {
  color-scheme: dark;
  --apple-page: #000000;
  --apple-surface: #1c1c1e;
  --apple-surface-2: #2c2c2e;
  --apple-text: #f5f5f7;
  --apple-text-secondary: #98989d;
  --apple-accent: #0a84ff;
  --apple-accent-hover: #359bff;
  --apple-accent-active: #0071e3;
  --apple-btn-bg: #0066cc;
  --apple-btn-hover: #0a7ae0;
  --apple-btn-active: #0059b3;
  --apple-btn-danger-bg: #d70015;
  --apple-btn-danger-hover: #b80012;
  --apple-btn-danger-active: #a30010;
  --apple-green: #30d158;
  --apple-red: #ff453a;
  --apple-orange: #ff9f0a;
  --apple-green-soft: rgba(48, 209, 88, 0.16);
  --apple-red-soft: rgba(255, 69, 58, 0.16);
  --apple-orange-soft: rgba(255, 159, 10, 0.16);
  --apple-neutral-soft: rgba(118, 118, 128, 0.24);
  --apple-fill: rgba(118, 118, 128, 0.24);
  --apple-fill-strong: rgba(118, 118, 128, 0.36);
  --apple-hairline: rgba(255, 255, 255, 0.12);
  --apple-row-hover: rgba(255, 255, 255, 0.05);
  --apple-topbar: rgba(0, 0, 0, 0.62);
  --apple-shadow-card: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.45);
  --apple-shadow-pop: 0 16px 48px rgba(0, 0, 0, 0.6);
  --apple-accent-rgb: 10, 132, 255;

  --bs-body-bg: var(--apple-page);
  --bs-body-color: var(--apple-text);
  --bs-emphasis-color: var(--apple-text);
  --bs-secondary-color: var(--apple-text-secondary);
  --bs-tertiary-color: var(--apple-text-secondary);
  --bs-secondary-bg: var(--apple-surface-2);
  --bs-tertiary-bg: var(--apple-surface-2);
  --bs-border-color: var(--apple-hairline);
  --bs-border-color-translucent: var(--apple-hairline);
}

html { background: var(--apple-page); }
body {
  min-height: 100dvh;
  background: var(--apple-page);
  color: var(--apple-text);
  font-family: var(--apple-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -0.02em; color: var(--apple-text); }
a { color: var(--apple-accent); }
::selection { background: rgba(var(--apple-accent-rgb), 0.2); }
:focus-visible { outline: 2px solid var(--apple-accent); outline-offset: 2px; }

/* ---------- Shell ---------- */
.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 2000;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  background: var(--apple-surface);
  color: var(--apple-text);
  box-shadow: var(--apple-shadow-pop);
  transform: translateY(-200%);
  transition: transform 150ms ease;
}
.skip-link:focus { transform: translateY(0); }

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--apple-topbar);
  border-bottom: 1px solid var(--apple-hairline);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .app-topbar { background: var(--apple-surface); }
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--apple-text);
  font-size: 1.03rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
  text-decoration: none;
}
.brand:hover { color: var(--apple-text); text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: #fff;
  font-size: 1rem;
  background: linear-gradient(145deg, #0a84ff, #0062cc);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}
.topbar-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-left: auto; }
.user-chip { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--apple-text-secondary); font-size: 0.85rem; }
@media (max-width: 767.98px) {
  .topbar-inner { padding: 0.6rem 0.9rem; gap: 0.75rem; }
  .topbar-inner > .segmented { order: 3; width: 100%; }
}

.segmented {
  display: flex;
  align-items: center;
  gap: 2px;
  max-width: 100%;
  padding: 3px;
  border-radius: 12px;
  background: var(--apple-fill);
  overflow-x: auto;
  scrollbar-width: none;
}
.segmented::-webkit-scrollbar { display: none; }
.segmented-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.8rem;
  border-radius: 9px;
  color: #5f5f64;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color var(--apple-motion) ease, color var(--apple-motion) ease, box-shadow var(--apple-motion) ease;
}
.segmented-item:hover { color: var(--apple-text); text-decoration: none; }
.segmented-item.is-active { color: var(--apple-text); background: var(--apple-surface); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }
[data-bs-theme="dark"] .segmented-item { color: var(--apple-text-secondary); }
[data-bs-theme="dark"] .segmented-item.is-active { color: var(--apple-text); background: #3a3a3c; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); }
@media (max-width: 575.98px) {
  .segmented-item { padding: 0.45rem 0.55rem; font-size: 0.8rem; }
  .segmented-item .bi { display: none; }
}

.app-main { max-width: 1120px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.page-title { margin: 0; font-size: 1.75rem; }
.page-subtitle { margin: 0.25rem 0 0; color: var(--apple-text-secondary); font-size: 0.95rem; }
@media (max-width: 575.98px) {
  .app-main { padding: 1.25rem 0.9rem 3rem; }
  .page-title { font-size: 1.5rem; }
}

/* ---------- Surfaces ---------- */
.surface-card {
  background: var(--apple-surface);
  border: 1px solid var(--apple-hairline);
  border-radius: var(--apple-radius-card);
  box-shadow: var(--apple-shadow-card);
}
.surface-card .card-body { padding: 1.25rem; }
@media (min-width: 768px) { .surface-card .card-body { padding: 1.5rem; } }
.card-title-sm { margin: 0 0 1rem; font-size: 1.05rem; font-weight: 600; letter-spacing: -0.02em; }
.muted { color: var(--apple-text-secondary); }
.hint { margin-top: 0.5rem; color: var(--apple-text-secondary); font-size: 0.875rem; }
.mono { font-family: var(--apple-mono); font-size: 0.85em; }

/* ---------- Buttons ---------- */
.btn {
  border-radius: var(--apple-radius-control);
  padding: 0.55rem 0.95rem;
  font-weight: 500;
  transition: background-color var(--apple-motion) ease, border-color var(--apple-motion) ease, color var(--apple-motion) ease, transform var(--apple-motion) ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  --bs-btn-bg: var(--apple-btn-bg);
  --bs-btn-border-color: var(--apple-btn-bg);
  --bs-btn-hover-bg: var(--apple-btn-hover);
  --bs-btn-hover-border-color: var(--apple-btn-hover);
  --bs-btn-active-bg: var(--apple-btn-active);
  --bs-btn-active-border-color: var(--apple-btn-active);
  --bs-btn-disabled-bg: var(--apple-btn-bg);
  --bs-btn-disabled-border-color: var(--apple-btn-bg);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
  --bs-btn-disabled-color: #fff;
  --bs-btn-focus-shadow-rgb: var(--apple-accent-rgb);
}
.btn-soft {
  color: var(--apple-text);
  background: var(--apple-fill);
  border: 1px solid transparent;
}
.btn-soft:hover, .btn-soft:focus-visible { color: var(--apple-text); background: var(--apple-fill-strong); }
.btn-soft-danger {
  color: var(--apple-red);
  background: var(--apple-red-soft);
  border: 1px solid transparent;
}
.btn-soft-danger:hover, .btn-soft-danger:focus-visible { color: #fff; background: var(--apple-red); }
.btn-danger {
  --bs-btn-bg: var(--apple-btn-danger-bg);
  --bs-btn-border-color: var(--apple-btn-danger-bg);
  --bs-btn-hover-bg: var(--apple-btn-danger-hover);
  --bs-btn-hover-border-color: var(--apple-btn-danger-hover);
  --bs-btn-active-bg: var(--apple-btn-danger-active);
  --bs-btn-active-border-color: var(--apple-btn-danger-active);
  --bs-btn-disabled-bg: var(--apple-btn-danger-bg);
  --bs-btn-disabled-border-color: var(--apple-btn-danger-bg);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
  --bs-btn-disabled-color: #fff;
  --bs-btn-focus-shadow-rgb: 215, 0, 21;
}
.btn-soft-accent {
  color: var(--apple-accent);
  background: rgba(var(--apple-accent-rgb), 0.1);
  border: 1px solid transparent;
}
.btn-soft-accent:hover, .btn-soft-accent:focus-visible { color: #fff; background: var(--apple-btn-bg); }
.btn:disabled, .btn.disabled { opacity: 0.5; }
.btn-primary:disabled, .btn-primary.disabled {
  --bs-btn-disabled-bg: var(--apple-fill);
  --bs-btn-disabled-border-color: transparent;
  --bs-btn-disabled-color: var(--apple-text-secondary);
  opacity: 1;
}
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.8rem; border-radius: 9px; }
.btn-icon { display: inline-flex; align-items: center; gap: 0.35rem; }

/* ---------- Forms ---------- */
.form-label { margin-bottom: 0.35rem; color: var(--apple-text-secondary); font-size: 0.8rem; font-weight: 600; }
.form-control, .form-select {
  padding: 0.6rem 0.8rem;
  color: var(--apple-text);
  background-color: var(--apple-surface);
  border-color: var(--apple-hairline);
  border-radius: var(--apple-radius-control);
  font-size: 1rem;
  transition: border-color var(--apple-motion) ease, box-shadow var(--apple-motion) ease;
}
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select { background-color: var(--apple-surface-2); }
.form-control::placeholder { color: var(--apple-text-secondary); opacity: 0.75; }
.form-control:focus, .form-select:focus {
  color: var(--apple-text);
  background-color: var(--apple-surface);
  border-color: var(--apple-accent);
  box-shadow: 0 0 0 4px rgba(var(--apple-accent-rgb), 0.18);
}
[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus { background-color: var(--apple-surface-2); }
.form-control:focus-visible, .form-select:focus-visible { outline: none; }
textarea.form-control { font-family: var(--apple-mono); font-size: 0.82rem; line-height: 1.55; }

/* ---------- Tables ---------- */
.table-apple {
  --bs-table-bg: transparent;
  --bs-table-color: var(--apple-text);
  --bs-table-border-color: var(--apple-hairline);
  --bs-table-hover-bg: var(--apple-row-hover);
  --bs-table-hover-color: var(--apple-text);
  margin: 0;
  font-size: 0.9rem;
}
.table-apple > :not(caption) > * > * { padding: 0.85rem 0.75rem; border-bottom-color: var(--apple-hairline); vertical-align: middle; }
.table-apple thead th {
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
  color: var(--apple-text-secondary);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  background: transparent;
  border-bottom: 1px solid var(--apple-hairline);
}
.table-apple tbody tr:last-child > * { border-bottom: 0; }
.table-apple .num { font-variant-numeric: tabular-nums; }
.table-card { overflow: hidden; }
.table-card .table-responsive { border-radius: inherit; }

/* ---------- Alerts / pills ---------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border: 1px solid transparent;
  border-radius: 14px;
}
.alert-success { color: #1c6b33; background: var(--apple-green-soft); border-color: rgba(52, 199, 89, 0.25); }
[data-bs-theme="dark"] .alert-success { color: #8ff0a8; }
.alert-danger { color: #b3261e; background: var(--apple-red-soft); border-color: rgba(255, 59, 48, 0.22); }
[data-bs-theme="dark"] .alert-danger { color: #ff9c95; }
.alert-warning { color: #8a5a00; background: var(--apple-orange-soft); border-color: rgba(255, 159, 10, 0.25); }
[data-bs-theme="dark"] .alert-warning { color: #ffd08a; }
.alert .btn-close { margin-left: auto; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--apple-radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}
.pill-locked { color: #c81e17; background: var(--apple-red-soft); }
[data-bs-theme="dark"] .pill-locked { color: #ff8a80; }
.pill-unlocked { color: #1c7a37; background: var(--apple-green-soft); }
[data-bs-theme="dark"] .pill-unlocked { color: #7ee89a; }
.pill-offline { color: #55555a; background: var(--apple-neutral-soft); }
[data-bs-theme="dark"] .pill-offline { color: #b3b3b8; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--apple-text-secondary); }
.status-dot.online { background: var(--apple-green); box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.15); }
.status-dot.offline { background: #8e8e93; }

/* ---------- Admin pieces ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.stat-tile {
  padding: 1rem 1.1rem;
  background: var(--apple-surface);
  border: 1px solid var(--apple-hairline);
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.stat-value { font-size: 1.65rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-label { margin-top: 0.2rem; color: var(--apple-text-secondary); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
@media (max-width: 575.98px) {
  .stat-strip { gap: 0.5rem; }
  .stat-tile { padding: 0.8rem; }
  .stat-value { font-size: 1.3rem; }
}
.credential-panel {
  padding: 1rem 1.1rem;
  background: var(--apple-orange-soft);
  border: 1px solid rgba(255, 159, 10, 0.35);
  border-radius: 14px;
}
.cred-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; padding: 0.45rem 0; border-top: 1px solid var(--apple-hairline); }
.cred-row:first-of-type { border-top: 0; }
.cred-label { width: 6.5rem; color: var(--apple-text-secondary); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.code {
  padding: 0.3rem 0.5rem;
  font-family: var(--apple-mono);
  font-size: 0.8rem;
  word-break: break-all;
  background: var(--apple-surface);
  border: 1px solid var(--apple-hairline);
  border-radius: 8px;
}
.log {
  max-height: 60vh;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  font-family: var(--apple-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  white-space: pre-wrap;
  background: var(--apple-surface-2);
  border-radius: 14px;
}
.actions-cell { white-space: nowrap; }
.actions-cell form { display: inline; }

/* ---------- Lock app ---------- */
.lock-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .lock-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .lock-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.lock-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--apple-surface);
  border: 1px solid var(--apple-hairline);
  border-radius: 24px;
  box-shadow: var(--apple-shadow-card);
  transition: transform var(--apple-motion) ease, box-shadow var(--apple-motion) ease;
}
@media (hover: hover) {
  .lock-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08); }
}
.lock-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; }
.lock-name { margin: 0; font-size: 1.1rem; font-weight: 600; letter-spacing: -0.02em; }
.lock-device-id { margin-top: 0.15rem; color: var(--apple-text-secondary); font-family: var(--apple-mono); font-size: 0.75rem; word-break: break-all; }
.lock-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: var(--apple-green); background: var(--apple-green-soft); font-size: 1.05rem; }
.lock-icon.is-offline { color: var(--apple-text-secondary); background: var(--apple-neutral-soft); }
.lock-meta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; color: var(--apple-text-secondary); font-size: 0.85rem; }
.lock-unlock {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.8rem 1.1rem;
  border-radius: var(--apple-radius-pill);
  font-weight: 600;
}
.empty-state { padding: 3rem 1.5rem; color: var(--apple-text-secondary); text-align: center; }
.empty-state .bi { display: block; margin-bottom: 0.75rem; font-size: 2rem; opacity: 0.7; }

/* ---------- Login ---------- */
.auth-page {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: 1.5rem;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(var(--apple-accent-rgb), 0.12), transparent 60%),
    var(--apple-page);
}
.auth-card {
  width: 100%;
  max-width: 24rem;
  padding: 2rem;
  background: var(--apple-surface);
  border: 1px solid var(--apple-hairline);
  border-radius: 24px;
  box-shadow: var(--apple-shadow-pop);
}
.auth-brand {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  color: #fff;
  font-size: 1.5rem;
  background: linear-gradient(145deg, #0a84ff, #0062cc);
  box-shadow: 0 8px 24px rgba(0, 113, 227, 0.35);
}
.auth-title { text-align: center; font-size: 1.4rem; }
.auth-subtitle { margin-bottom: 1.5rem; color: var(--apple-text-secondary); text-align: center; }
.auth-lang { justify-content: center; width: max-content; margin: 0 auto 1.25rem; }

/* ---------- Bootstrap bits ---------- */
.modal-content {
  background: var(--apple-surface);
  border: 1px solid var(--apple-hairline);
  border-radius: 20px;
  box-shadow: var(--apple-shadow-pop);
}
.modal-header, .modal-footer { border-color: var(--apple-hairline); }
.modal-backdrop.show { opacity: 0.45; }
.dropdown-menu {
  background: var(--apple-surface);
  border-color: var(--apple-hairline);
  border-radius: 12px;
  box-shadow: var(--apple-shadow-pop);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}