/* Dynamic Residential Proxy Platform - Admin UI */
:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #1e2230;
  --bg-hover: #262b3a;
  --border: #2d3348;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0b0;
  --text-muted: #6b7280;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  --sidebar-width: 240px;
  --header-height: 60px;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Layout */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
}

.sidebar-logo h1 { font-size: 15px; font-weight: 600; }
.sidebar-logo span { font-size: 11px; color: var(--text-muted); display: block; }

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

.nav-section { margin-bottom: 24px; }
.nav-section-title {
  font-size: 11px; text-transform: uppercase;
  color: var(--text-muted); padding: 0 12px; margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius);
  color: var(--text-secondary); font-size: 14px;
  transition: all 0.15s; cursor: pointer;
  margin-bottom: 2px;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: rgba(59,130,246,0.15); color: var(--accent); }
.nav-item .icon { width: 20px; text-align: center; font-size: 16px; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-muted);
}

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
}

.top-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  position: sticky; top: 0; z-index: 50;
}

.page-title { font-size: 18px; font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 16px; }

.header-search {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  color: var(--text-primary);
  font-size: 13px;
  width: 240px;
  outline: none;
}

.header-search:focus { border-color: var(--accent); }

.user-avatar {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: #fff;
  cursor: pointer;
}

.page-body { padding: 32px; }

/* Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.15s;
}

.stat-card:hover { transform: translateY(-2px); }

.stat-card .label {
  font-size: 13px; color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px; font-weight: 700;
  margin-bottom: 4px;
}

.stat-card .change {
  font-size: 12px;
  display: flex; align-items: center; gap: 4px;
}

.stat-card .change.up { color: var(--success); }
.stat-card .change.down { color: var(--danger); }

.stat-card .icon-bg {
  float: right;
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}

.icon-bg.blue { background: rgba(59,130,246,0.15); color: var(--accent); }
.icon-bg.green { background: rgba(16,185,129,0.15); color: var(--success); }
.icon-bg.yellow { background: rgba(245,158,11,0.15); color: var(--warning); }
.icon-bg.purple { background: rgba(139,92,246,0.15); color: #8b5cf6; }
.icon-bg.cyan { background: rgba(6,182,212,0.15); color: var(--info); }
.icon-bg.red { background: rgba(239,68,68,0.15); color: var(--danger); }

/* Panel */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 24px;
  overflow: hidden;
}

.panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}

.panel-header h2 { font-size: 16px; font-weight: 600; }

.panel-body { padding: 24px; }

.panel-body.no-padding { padding: 0; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
  text-align: left;
  padding: 12px 20px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.data-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.data-table tr:hover td { background: var(--bg-hover); }
.data-table tr:last-child td { border-bottom: none; }

/* Badge */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px; font-weight: 500;
}

.badge.online, .badge.available, .badge.active, .badge.success {
  background: rgba(16,185,129,0.15); color: var(--success);
}
.badge.busy, .badge.warning, .badge.pending {
  background: rgba(245,158,11,0.15); color: var(--warning);
}
.badge.offline, .badge.error, .badge.danger, .badge.suspended {
  background: rgba(239,68,68,0.15); color: var(--danger);
}
.badge.disabled, .badge.draft {
  background: rgba(107,114,128,0.15); color: var(--text-muted);
}
.badge.info { background: rgba(59,130,246,0.15); color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px; font-weight: 500;
  border: none; cursor: pointer;
  transition: all 0.15s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn-group { display: flex; gap: 8px; }

/* Form */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px; color: var(--text-secondary);
  margin-bottom: 6px; font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}

.form-control:focus { border-color: var(--accent); }

select.form-control { cursor: pointer; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Filters */
.filters {
  display: flex; gap: 12px; align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.filters .form-control { width: auto; min-width: 160px; }

/* Pagination */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary);
}

.pagination-btns { display: flex; gap: 4px; }

.pagination-btns button {
  padding: 6px 12px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer; font-size: 13px;
}

.pagination-btns button.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* Chart placeholder */
.chart-area {
  height: 280px;
  background: var(--bg-primary);
  border-radius: var(--radius);
  display: flex; align-items: flex-end;
  padding: 20px;
  gap: 8px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent), rgba(59,130,246,0.3));
  border-radius: 4px 4px 0 0;
  min-height: 20px;
  transition: height 0.3s;
  position: relative;
}

.chart-bar:hover::after {
  content: attr(data-label);
  position: absolute;
  top: -24px; left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-primary);
}

.login-card {
  width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
}

.login-card .logo {
  text-align: center; margin-bottom: 32px;
}

.login-card .logo .logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: #fff;
  margin-bottom: 16px;
}

.login-card h2 { font-size: 22px; text-align: center; margin-bottom: 4px; }
.login-card .subtitle { text-align: center; color: var(--text-secondary); font-size: 14px; margin-bottom: 32px; }

.login-card .btn-primary { width: 100%; padding: 12px; font-size: 15px; margin-top: 8px; }

.login-hint {
  text-align: center; margin-top: 20px;
  font-size: 12px; color: var(--text-muted);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: center; justify-content: center;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 480px; max-width: 90vw;
  box-shadow: var(--shadow);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}

.modal-header h3 { font-size: 16px; }

.modal-close {
  background: none; border: none;
  color: var(--text-muted); font-size: 20px;
  cursor: pointer;
}

.modal-body { padding: 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* Progress bar */
.progress-bar {
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

.progress-bar .fill.green { background: var(--success); }
.progress-bar .fill.blue { background: var(--accent); }
.progress-bar .fill.yellow { background: var(--warning); }

/* Responsive */
@media (max-width: 1024px) {
  .grid-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* Utility */
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 13px; }
/* API-connected UI additions */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.toolbar .form-control{width:auto;min-width:150px}.pagination{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;color:var(--text-secondary);font-size:13px}.pager-info{display:inline-flex;align-items:center;padding:0 10px}.empty-cell{text-align:center!important;color:var(--text-muted);padding:32px!important}.toast-box{position:fixed;right:24px;top:80px;z-index:9999;display:flex;flex-direction:column;gap:10px}.toast{background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow);padding:12px 18px;border-radius:8px;max-width:360px}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--danger)}.toast.warning{border-left:4px solid var(--warning)}.muted-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px}.code-result{word-break:break-all;background:#0a0c11;border:1px solid var(--border);padding:12px;border-radius:6px;font-family:monospace}.text-right{text-align:right}.nowrap{white-space:nowrap}.form-help{font-size:12px;color:var(--text-muted);margin-top:5px}.clickable{cursor:pointer}.metric-inline{display:flex;gap:24px;flex-wrap:wrap}.metric-inline>div{min-width:130px}.metric-inline strong{display:block;font-size:22px}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--border);padding:0 20px}.tab{padding:12px 14px;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
@media(max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}.sidebar{position:static;width:100%}.app-layout{display:block}.main-content{margin-left:0}.page-body{padding:16px}.data-table{min-width:900px}.panel-body.no-padding{overflow:auto}}