.admin-body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}

.hidden { display: none !important; }

/* ---------- login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 340px;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 14px;
  padding: 32px 28px;
  text-align: center;
}

.login-card .brand-mark {
  font-size: 30px;
  color: var(--amber);
  display: block;
  margin-bottom: 6px;
}

.login-card h1 {
  font-size: 18px;
  margin: 0 0 4px;
}

.login-card .brand-sub {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--ink-dim);
}

.login-card input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--panel-line);
  background: rgba(255,255,255,0.03);
  color: var(--ink);
  font-size: 14px;
  margin-bottom: 14px;
}

.login-card input:focus {
  outline: none;
  border-color: var(--teal);
}

.login-card button[type="submit"] {
  width: 100%;
}

.form-error {
  color: var(--red);
  font-size: 12px;
  min-height: 16px;
  margin: 10px 0 0;
}

/* ---------- buttons ---------- */
.btn {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, opacity 0.15s ease;
}

.btn:active { transform: scale(0.97); }

.btn.primary {
  background: var(--amber);
  color: #1a1200;
}

.btn.primary:hover { opacity: 0.9; }

.btn.ghost {
  background: transparent;
  border-color: var(--panel-line);
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.btn.ghost:hover { background: rgba(255,255,255,0.04); }

.btn.danger {
  background: transparent;
  color: var(--red);
  border-color: rgba(255,93,93,0.3);
  padding: 6px 10px;
  font-size: 12px;
}

.btn.danger:hover { background: rgba(255,93,93,0.08); }

/* ---------- admin shell ---------- */
.admin-app { padding: 28px 32px 60px; max-width: 1180px; margin: 0 auto; }

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 24px; color: var(--amber); }
.brand h1 { margin: 0; font-size: 19px; font-weight: 700; }
.brand-sub { margin: 2px 0 0; font-size: 12.5px; color: var(--ink-dim); }

.header-actions { display: flex; gap: 10px; }

/* ---------- table ---------- */
.table-card {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 14px;
  overflow: hidden;
}

.vehicle-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.vehicle-table thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  font-weight: 600;
  padding: 14px 16px;
  border-bottom: 1px solid var(--panel-line);
}

.vehicle-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

.vehicle-table tbody tr:last-child td { border-bottom: none; }
.vehicle-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.empty-cell {
  text-align: center;
  color: var(--ink-dim);
  padding: 40px 16px !important;
  font-style: italic;
}

.color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  padding: 0;
}

.cell-input {
  width: 100%;
  min-width: 90px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 8px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13.5px;
}

.cell-input:hover { border-color: var(--panel-line); }
.cell-input:focus { outline: none; border-color: var(--teal); background: rgba(255,255,255,0.03); }

.device-id-cell {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-dim);
}

.last-seen-cell {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-dim);
  white-space: nowrap;
}

.switch {
  position: relative;
  width: 38px;
  height: 21px;
  display: inline-block;
}

.switch input { opacity: 0; width: 0; height: 0; }

.switch-track {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.switch-track::before {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  left: 3px;
  top: 3px;
  background: var(--ink);
  border-radius: 50%;
  transition: transform 0.15s ease;
}

.switch input:checked + .switch-track { background: var(--teal); }
.switch input:checked + .switch-track::before { transform: translateX(17px); background: #0c1220; }

.row-saving { opacity: 0.5; pointer-events: none; }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6,9,16,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.modal-card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 14px;
  padding: 26px;
}

.modal-card h2 { margin: 0 0 8px; font-size: 17px; }
.modal-hint { font-size: 12.5px; color: var(--ink-dim); line-height: 1.5; margin: 0 0 18px; }

.modal-card label {
  display: block;
  font-size: 12px;
  color: var(--ink-dim);
  margin-bottom: 14px;
}

.modal-card input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--panel-line);
  background: rgba(255,255,255,0.03);
  color: var(--ink);
  font-size: 13.5px;
}

.modal-card input:focus { outline: none; border-color: var(--teal); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

.links-modal-card { max-width: 480px; }

.link-field { margin-bottom: 16px; }
.link-field label {
  display: block;
  font-size: 11.5px;
  color: var(--ink-dim);
  margin-bottom: 6px;
}

.link-row { display: flex; gap: 8px; }

.link-row input {
  flex: 1;
  min-width: 0;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--panel-line);
  background: rgba(255,255,255,0.03);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11.5px;
}

.copy-btn { flex-shrink: 0; padding: 8px 12px; font-size: 12px; }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--panel-line);
  color: var(--ink);
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 100;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.error { border-color: rgba(255,93,93,0.4); color: var(--red); }
.toast.hidden { opacity: 0; pointer-events: none; transform: translateX(-50%) translateY(8px); }

@media (max-width: 720px) {
  .admin-app { padding: 20px 16px 50px; }
  .table-card { overflow-x: auto; }
  .vehicle-table { min-width: 640px; }
}