/* ─── CSS Variables ──────────────────────────────────────────────────────────── */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2234;
  --bg-card-hover: #1f2b3f;
  --sidebar-width: 240px;
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #06b6d4;
  --color-purple: #8b5cf6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1e2d45;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

/* ─── Reset & Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  line-height: 1.6;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: #60a5fa; }
code { font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 0.85em; }

/* ─── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: var(--transition);
}
.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-color);
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
}
.logo i { font-size: 1.5rem; }
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 0.9rem;
  font-weight: 500;
  border-left: 3px solid transparent;
}
.nav-item:hover {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.08);
}
.nav-item.active {
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.12);
  border-left-color: var(--color-primary);
}
.nav-item i { width: 18px; text-align: center; }
.sidebar-footer {
  padding: 12px 0;
  border-top: 1px solid var(--border-color);
}

/* ─── Main Content ───────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── Top Bar ────────────────────────────────────────────────────────────────── */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}
.page-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}
.top-bar-right { display: flex; align-items: center; gap: 16px; }
.time-badge {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-muted); font-size: 0.85rem;
}
.admin-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 20px;
  color: var(--color-primary);
  font-size: 0.85rem; font-weight: 500;
}

/* ─── Content Area ───────────────────────────────────────────────────────────── */
.content-area {
  padding: 28px;
  flex: 1;
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255,255,255,0.02);
}
.card-header h3 {
  font-size: 0.95rem; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.card-header h3 i { color: var(--color-primary); }
.card-body { padding: 20px; }
.mb-4 { margin-bottom: 16px; }

/* ─── Stats Grid ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.stat-total .stat-icon { background: rgba(59,130,246,0.15); color: var(--color-primary); }
.stat-online .stat-icon { background: rgba(16,185,129,0.15); color: var(--color-success); }
.stat-offline .stat-icon { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.stat-locked .stat-icon { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.stat-value { font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-label { color: var(--text-muted); font-size: 0.8rem; margin-top: 2px; }

/* ─── Dashboard Grid ─────────────────────────────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; padding: 10px 12px;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}
.table td {
  padding: 12px 12px;
  border-bottom: 1px solid rgba(30,45,69,0.6);
  font-size: 0.88rem;
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,0.02); }
.small { font-size: 0.8rem; }
.text-muted { color: var(--text-muted); }
.ml-1 { margin-left: 4px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }

/* ─── Badges & Status ────────────────────────────────────────────────────────── */
.badge, .status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
}
.badge-lock, .badge-locked { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.badge-unlock, .badge-unlocked { background: rgba(16,185,129,0.15); color: var(--color-success); }
.badge-wipe { background: rgba(239,68,68,0.15); color: var(--color-danger); }
.badge-reboot { background: rgba(6,182,212,0.15); color: var(--color-info); }
.badge-reset_password { background: rgba(139,92,246,0.15); color: var(--color-purple); }
.badge-start_lost_mode, .badge-stop_lost_mode { background: rgba(59,130,246,0.15); color: var(--color-primary); }
.badge-default { background: rgba(59,130,246,0.15); color: var(--color-primary); }

.status-badge.status-pending { background: rgba(245,158,11,0.1); color: var(--color-warning); }
.status-badge.status-sent { background: rgba(6,182,212,0.1); color: var(--color-info); }
.status-badge.status-success { background: rgba(16,185,129,0.1); color: var(--color-success); }
.status-badge.status-failed { background: rgba(239,68,68,0.1); color: var(--color-danger); }
.status-badge.status-cancelled { background: rgba(100,116,139,0.1); color: var(--text-muted); }

.status-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px;
}
.status-online .status-dot, .status-dot.status-online { background: var(--color-success); box-shadow: 0 0 6px var(--color-success); animation: pulse 2s infinite; }
.status-offline .status-dot, .status-dot.status-offline { background: var(--text-muted); }
.status-locked .status-dot, .status-dot.status-locked { background: var(--color-warning); }
.status-wiped .status-dot, .status-dot.status-wiped { background: var(--color-danger); }

@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
.status-text { text-transform: capitalize; font-size: 0.85rem; }
.policy-badge {
  display: inline-block; padding: 2px 10px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
  border-radius: 12px; font-size: 0.78rem; color: var(--color-primary); font-weight: 500;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px;
  font-size: 0.88rem; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: var(--transition);
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-dark); color: white; }
.btn-secondary { background: rgba(255,255,255,0.06); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-success { background: var(--color-success); color: white; }
.btn-warning { background: var(--color-warning); color: #1a2234; }
.btn-danger { background: var(--color-danger); color: white; }
.btn-info { background: var(--color-info); color: white; }
.btn-ghost { background: transparent; color: var(--text-secondary); border-color: var(--border-color); }
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }
.btn-xs { padding: 4px 8px; font-size: 0.78rem; gap: 4px; }
.btn-full { width: 100%; justify-content: center; }
.mb-2 { margin-bottom: 8px; }

/* ─── Action Buttons ─────────────────────────────────────────────────────────── */
.action-buttons { display: flex; gap: 4px; flex-wrap: wrap; }
.device-link code { color: var(--color-primary); }

/* ─── Quick Actions ──────────────────────────────────────────────────────────── */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.action-btn {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px 16px; border-radius: var(--radius);
  border: 1px solid var(--border-color); cursor: pointer;
  transition: var(--transition); font-size: 0.85rem; font-weight: 500;
  background: var(--bg-secondary); color: var(--text-secondary);
  text-decoration: none;
}
.action-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(59,130,246,0.06); transform: translateY(-2px); }
.action-btn i { font-size: 1.6rem; }

/* ─── Enroll Page ────────────────────────────────────────────────────────────── */
.enroll-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 9px 14px;
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 8px; color: var(--text-primary); font-size: 0.88rem;
  outline: none; transition: var(--transition); font-family: inherit;
}
.form-group input:focus, .form-group select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.checkbox-group label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox-group input { width: auto; }
.qr-result { margin-top: 24px; }
.qr-divider {
  display: flex; align-items: center; margin: 16px 0;
  color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.qr-divider::before, .qr-divider::after { content: ''; flex: 1; border-top: 1px solid var(--border-color); }
.qr-divider span { margin: 0 12px; }
.qr-container { text-align: center; padding: 16px; background: white; border-radius: var(--radius); display: inline-block; margin: 0 auto; display: flex; justify-content: center; }
.qr-container img { width: 200px; height: 200px; }
.token-value-box {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 14px; background: var(--bg-primary);
  border: 1px solid var(--border-color); border-radius: 8px; margin-top: 12px;
}
.token-value-box label { font-size: 0.78rem; color: var(--text-muted); }
.token-value-box code { flex: 1; word-break: break-all; font-size: 0.78rem; color: var(--color-success); }
.enrollment-steps { margin-top: 16px; padding: 14px; background: rgba(59,130,246,0.05); border: 1px solid rgba(59,130,246,0.15); border-radius: 8px; }
.enrollment-steps h4 { font-size: 0.85rem; margin-bottom: 8px; color: var(--color-primary); }
.enrollment-steps ol { padding-left: 18px; color: var(--text-secondary); font-size: 0.85rem; }
.enrollment-steps li { margin-bottom: 4px; }
.token-card {
  padding: 14px; border: 1px solid var(--border-color); border-radius: 8px;
  margin-bottom: 12px; background: var(--bg-secondary);
}
.token-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.token-desc { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 10px; }
.token-actions { display: flex; gap: 8px; }
.token-expiry { font-size: 0.78rem; color: var(--text-muted); }
.token-expiry.expired { color: var(--color-danger); }
.token-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border-color); }
.token-item:last-child { border-bottom: none; }

/* ─── Device Detail ──────────────────────────────────────────────────────────── */
.device-detail-grid { display: grid; grid-template-columns: 1fr 360px; gap: 20px; margin-bottom: 20px; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.info-item { padding: 10px; background: var(--bg-secondary); border-radius: 8px; }
.info-item label { display: block; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 4px; }
.info-item span, .info-item code { font-size: 0.88rem; }
.edit-section { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border-color); }
.edit-section h4 { font-size: 0.88rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; align-items: end; margin-bottom: 12px; }
.command-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.cmd-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 16px 12px; border-radius: 10px; border: 1px solid var(--border-color);
  cursor: pointer; transition: var(--transition); font-size: 0.8rem; font-weight: 600;
  font-family: inherit;
}
.cmd-btn i { font-size: 1.4rem; }
.cmd-btn:hover { transform: translateY(-2px); }
.cmd-lock { background: rgba(245,158,11,0.1); color: var(--color-warning); border-color: rgba(245,158,11,0.3); }
.cmd-unlock { background: rgba(16,185,129,0.1); color: var(--color-success); border-color: rgba(16,185,129,0.3); }
.cmd-reboot { background: rgba(6,182,212,0.1); color: var(--color-info); border-color: rgba(6,182,212,0.3); }
.cmd-lost { background: rgba(139,92,246,0.1); color: var(--color-purple); border-color: rgba(139,92,246,0.3); }
.cmd-reset { background: rgba(59,130,246,0.1); color: var(--color-primary); border-color: rgba(59,130,246,0.3); }
.cmd-wipe { background: rgba(239,68,68,0.1); color: var(--color-danger); border-color: rgba(239,68,68,0.3); }
.policy-assign { }
.policy-assign h4 { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 8px; }
.policy-assign .form-row { grid-template-columns: 1fr auto; gap: 8px; }

/* ─── Policies Page ──────────────────────────────────────────────────────────── */
.policies-grid { display: grid; grid-template-columns: 1fr 280px; gap: 20px; }
.policy-cards { display: flex; flex-direction: column; gap: 12px; }
.policy-card { margin-bottom: 0 !important; }
.policy-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.policy-card-header h4 { font-size: 0.95rem; font-weight: 600; }
.policy-id { font-size: 0.75rem; color: var(--text-muted); }
.policy-badges { display: flex; align-items: center; gap: 8px; }
.device-count { font-size: 0.8rem; color: var(--text-muted); }
.policy-desc { color: var(--text-muted); font-size: 0.84rem; margin-bottom: 12px; }
.policy-features { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.feature-tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 6px; font-size: 0.75rem; }
.feature-tag.enabled { background: rgba(16,185,129,0.1); color: var(--color-success); }
.feature-tag.disabled { background: rgba(239,68,68,0.08); color: var(--text-muted); }
.policy-footer { display: flex; gap: 8px; padding-top: 10px; border-top: 1px solid var(--border-color); }
.json-viewer { font-size: 0.78rem; background: var(--bg-primary); padding: 16px; border-radius: 8px; overflow: auto; max-height: 400px; color: var(--color-success); line-height: 1.6; }

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.filter-form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: 0.75rem; color: var(--text-muted); }
.filter-group select { padding: 7px 12px; background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 0.85rem; outline: none; }

/* ─── Pagination ─────────────────────────────────────────────────────────────── */
.pagination { display: flex; gap: 6px; padding-top: 16px; flex-wrap: wrap; }
.page-btn {
  padding: 5px 12px; border-radius: 6px; font-size: 0.82rem;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-secondary); transition: var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }

/* ─── Modals ─────────────────────────────────────────────────────────────────── */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); }
.modal-content {
  position: relative; z-index: 1; background: var(--bg-card);
  border: 1px solid var(--border-color); border-radius: 16px;
  width: 90%; max-width: 480px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.modal-wide { max-width: 700px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border-color); }
.modal-header h3 { font-size: 1rem; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; font-size: 1rem; }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; }
.text-center { text-align: center; }

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  padding: 12px 20px; border-radius: 10px;
  font-size: 0.88rem; font-weight: 500;
  background: var(--bg-card); border: 1px solid var(--border-color);
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}
.toast.hidden { display: none; }
.toast.success { background: rgba(16,185,129,0.15); border-color: var(--color-success); color: var(--color-success); }
.toast.error { background: rgba(239,68,68,0.15); border-color: var(--color-danger); color: var(--color-danger); }
.toast.info { background: rgba(6,182,212,0.12); border-color: var(--color-info); color: var(--color-info); }
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ─── Empty States ───────────────────────────────────────────────────────────── */
.empty-state { color: var(--text-muted); font-size: 0.88rem; text-align: center; padding: 12px 0; }
.empty-state-large { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 48px 20px; }
.empty-state-large i { font-size: 3rem; color: var(--text-muted); }
.empty-state-large h3 { font-size: 1.1rem; color: var(--text-secondary); }
.empty-state-large p { color: var(--text-muted); font-size: 0.88rem; }

/* ─── Header Actions ─────────────────────────────────────────────────────────── */
.header-actions { display: flex; gap: 8px; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .dashboard-grid, .enroll-grid, .device-detail-grid, .policies-grid { grid-template-columns: 1fr; }
  .device-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar { transform: translateX(-240px); width: 240px; }
  .main-content { margin-left: 0; }
  .content-area { padding: 16px; }
  .info-grid { grid-template-columns: 1fr; }
  .command-grid { grid-template-columns: repeat(3, 1fr); }
}