*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base: #090b0c;
  --bg-surface: #0f1114;
  --bg-elevated: #16191f;
  --bg-hover: #1c2028;
  --border: #252a33;
  --border-light: #323842;
  --text-primary: #f4f5f7;
  --text-secondary: #949aa5;
  --text-muted: #5c6370;
  
  --scooter-50: #ecfeff;
  --scooter-100: #d0f8fd;
  --scooter-200: #a7f0fa;
  --scooter-300: #6ae3f6;
  --scooter-400: #27cbe9;
  --scooter-500: #0cc0e4;
  --scooter-600: #0c8bae;
  --scooter-700: #11708d;
  --scooter-800: #175b73;
  --scooter-900: #184c61;
  
  --accent: var(--scooter-400);
  --accent-dim: rgba(39, 203, 233, 0.15);
  --accent-glow: rgba(39, 203, 233, 0.25);
  
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.06);
}

html, body { height: 100%; background: var(--bg-base); color: var(--text-primary); font-family: 'DM Sans', sans-serif; overflow: hidden; letter-spacing: -0.01em; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

#login-page {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-base);
}

.login-card {
  width: 400px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 0 0 1px var(--glass-border), 0 20px 50px rgba(0,0,0,0.4);
}

.login-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.login-bg::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  top: -200px; left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
}

#app { display: flex; height: 100vh; overflow: hidden; }

#sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-nav { padding: 16px 12px; flex: 1; overflow-y: auto; }

.nav-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 12px 10px;
  text-transform: uppercase;
}

.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  user-select: none;
  text-decoration: none;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 18px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}
.nav-item.active i { color: var(--accent); }
.nav-item i { font-size: 18px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  height: 64px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.topbar-title { font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600; }
.topbar-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

#content { flex: 1; overflow-y: auto; padding: 32px; }

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  transition: border-color 0.2s ease;
}
.card:hover { border-color: var(--border-light); }

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}
.stat-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 16px;
  font-size: 13.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.15s ease; }
.data-table tbody tr:hover td { background: var(--bg-hover); }

.input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13.5px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  width: 100%;
  outline: none;
  transition: all 0.2s ease;
}
.input::placeholder { color: var(--text-muted); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
select.input option { background: var(--bg-elevated); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--accent);
  color: #090b0c;
  box-shadow: 0 2px 12px var(--accent-glow);
}
.btn-primary:hover { background: var(--scooter-300); transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }
.btn-ghost {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-ghost:hover { border-color: var(--border-light); color: var(--text-primary); background: var(--bg-hover); }
.btn-danger { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); color: var(--danger); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.2); }
.btn-success { background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.2); color: var(--success); }
.btn-success:hover { background: rgba(34, 197, 94, 0.2); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-icon { padding: 8px; background: var(--glass); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; color: var(--text-muted); transition: all 0.2s ease; }
.btn-icon:hover { border-color: var(--border-light); color: var(--text-primary); background: var(--bg-hover); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 500;
  border: 1px solid;
}
.badge-active { background: rgba(34, 197, 94, 0.1); color: var(--success); border-color: rgba(34, 197, 94, 0.2); }
.badge-inactive { background: rgba(239, 68, 68, 0.1); color: var(--danger); border-color: rgba(239, 68, 68, 0.2); }
.badge-expired { background: rgba(245, 158, 11, 0.1); color: var(--warning); border-color: rgba(245, 158, 11, 0.2); }

.key-chip {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  color: var(--accent);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.key-chip:hover { border-color: var(--accent); background: var(--accent-dim); }

.modal-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  width: 500px;
  max-width: calc(100vw - 40px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: translateY(16px); transition: transform 0.25s ease;
}
.modal-overlay.open .modal { transform: translateY(0); }

#toast {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  display: flex; flex-direction: column; gap: 10px;
}
.toast-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  animation: toastIn 0.25s ease;
  min-width: 260px;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }

.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.section-title { font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600; color: var(--text-primary); }

.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-dot.online { background: var(--success); box-shadow: 0 0 8px var(--success); }

.color-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

.search-wrap { position: relative; }
.search-wrap i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; font-size: 16px; }
.search-wrap .input { padding-left: 38px; }

.empty-state { text-align: center; padding: 48px 24px; }
.empty-state i { font-size: 44px; color: var(--text-muted); margin-bottom: 14px; }
.empty-state p { color: var(--text-muted); font-size: 13.5px; }

.page { animation: fadeUp 0.25s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.project-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
@media (max-width: 1200px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid.full { grid-template-columns: 1fr; }
.form-group label { display: block; font-size: 12px; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; font-family: 'DM Sans', sans-serif; letter-spacing: 0.03em; }

.logo-icon {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(39, 203, 233, 0.2);
  display: flex; align-items: center; justify-content: center;
}

.avatar {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(39, 203, 233, 0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: var(--accent);
}

.stat-value { font-family: 'DM Sans', sans-serif; font-size: 32px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.stat-label { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.quick-action {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}
.quick-action:hover { border-color: var(--border-light); background: var(--bg-hover); }

.action-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
}
.quick-action:hover .action-icon { border-color: var(--border-light); color: var(--accent); }

.summary-row { display: flex; justify-content: space-between; font-size: 13px; padding: 8px 0; }
.summary-label { color: var(--text-secondary); }
.summary-value { font-weight: 600; }

.divider { height: 1px; background: var(--border); margin: 20px 0; }