/* =====================================================
   VOIP8 Admin - Unified Tech Theme
   科技感 · 现代化 · 响应式 · 企业级
   ===================================================== */

/* ========== Google Fonts ========== */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ========== CSS Variables ========== */
:root {
  /* Primary palette - deep blue / cyber */
  --color-bg-base: #0b0f1a;
  --color-bg-surface: #111827;
  --color-bg-card: rgba(17, 24, 39, 0.85);
  --color-bg-card-hover: rgba(23, 32, 52, 0.95);
  --color-bg-elevated: #1e293b;
  --color-bg-input: rgba(15, 23, 42, 0.7);

  /* Sidebar */
  --color-sidebar-bg: #070b14;
  --color-sidebar-header: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  --color-sidebar-active: rgba(99, 102, 241, 0.15);
  --color-sidebar-hover: rgba(255, 255, 255, 0.04);
  --color-sidebar-border: rgba(99, 102, 241, 0.3);

  /* Text */
  --color-text-primary: #e2e8f0;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-inverse: #0f172a;

  /* Accent */
  --color-accent: #6366f1;
  --color-accent-hover: #818cf8;
  --color-accent-glow: rgba(99, 102, 241, 0.35);
  --color-accent-subtle: rgba(99, 102, 241, 0.1);

  /* Semantic */
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.12);
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.12);
  --color-info: #3b82f6;
  --color-info-bg: rgba(59, 130, 246, 0.12);

  /* Borders */
  --color-border: rgba(148, 163, 184, 0.1);
  --color-border-hover: rgba(148, 163, 184, 0.2);
  --color-border-accent: rgba(99, 102, 241, 0.3);

  /* Glass effect */
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(148, 163, 184, 0.08);
  --glass-blur: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255,255,255,0.03);

  /* Layout */
  --sidebar-width: 220px;
  --sidebar-collapsed-width: 64px;
  --navbar-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Typography */
  --font-sans: 'Outfit', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* Subtle grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.08) 0%, transparent 70%),
    linear-gradient(180deg, rgba(99,102,241,0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

::selection {
  background: var(--color-accent);
  color: white;
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148,163,184,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,0.35); }

/* ========== Sidebar ========== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-sidebar-bg);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-slow), transform var(--transition-slow);
}

.sidebar-header {
  padding: 24px 20px;
  background: var(--color-sidebar-header);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.sidebar-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-header h2::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--color-accent); }
  50% { opacity: 0.6; box-shadow: 0 0 16px var(--color-accent-hover); }
}

.sidebar-header p {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
  padding-left: 18px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-menu {
  padding: 12px 0;
  flex: 1;
}

.menu-item {
  padding: 11px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-normal);
  color: var(--color-text-secondary);
  font-size: 13.5px;
  font-weight: 400;
  position: relative;
  margin: 2px 8px;
  border-radius: var(--radius-md);
}

.menu-item:hover {
  color: var(--color-text-primary);
  background: var(--color-sidebar-hover);
}

.menu-item.active {
  color: var(--color-accent-hover);
  background: var(--color-sidebar-active);
  font-weight: 500;
}

.menu-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px var(--color-accent-glow);
}

/* Mobile sidebar toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 200;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 90;
  backdrop-filter: blur(4px);
}

/* ========== Sidebar Collapse (desktop) ========== */
.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: calc(100% - 16px);
  margin: 8px 8px 12px;
  padding: 9px 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  font-family: var(--font-sans);
}
.sidebar-collapse-btn:hover {
  color: var(--color-accent-hover);
  border-color: var(--color-border-accent);
  background: var(--color-accent-subtle);
}
.sidebar-collapse-btn .collapse-icon {
  font-size: 14px;
  transition: transform var(--transition-normal);
}
.sidebar-collapse-btn .collapse-text {
  transition: opacity var(--transition-fast);
}

/* Collapsed state */
body.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}
body.sidebar-collapsed .sidebar-header h2 span,
body.sidebar-collapsed .sidebar-header p {
  display: none;
}
body.sidebar-collapsed .sidebar-header h2 {
  justify-content: center;
}
body.sidebar-collapsed .menu-item {
  justify-content: center;
  padding: 11px 0;
  margin: 2px 6px;
  font-size: 18px;
  gap: 0;
}
/* Hide text labels in menu items when collapsed - emoji stays visible */
body.sidebar-collapsed .menu-item-text {
  display: none;
}
body.sidebar-collapsed .sidebar-collapse-btn {
  width: calc(100% - 12px);
  margin: 8px 6px 12px;
}
body.sidebar-collapsed .sidebar-collapse-btn .collapse-text {
  display: none;
}
body.sidebar-collapsed .sidebar-collapse-btn .collapse-icon {
  transform: rotate(180deg);
}
body.sidebar-collapsed .main {
  margin-left: var(--sidebar-collapsed-width);
  width: calc(100% - var(--sidebar-collapsed-width));
}

/* Tooltip for collapsed menu items */
body.sidebar-collapsed .menu-item {
  position: relative;
}
body.sidebar-collapsed .menu-item:hover::after {
  content: attr(data-title);
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  z-index: 200;
  pointer-events: none;
}

/* ========== Main Content ========== */
.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  min-width: 0;
  width: calc(100% - var(--sidebar-width));
  position: relative;
  z-index: 1;
  transition: margin-left var(--transition-slow), width var(--transition-slow);
}

/* ========== Navbar ========== */
.navbar {
  height: var(--navbar-height);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Breadcrumb style for navbar */
.navbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.navbar-breadcrumb span {
  color: var(--color-text-secondary);
}

.navbar-breadcrumb .sep {
  color: var(--color-text-muted);
  opacity: 0.4;
}

/* ========== Content Area ========== */
.content {
  padding: 24px;
}

/* ========== Cards ========== */
.card {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  transition: border-color var(--transition-normal);
  overflow-x: auto;
}

.card:hover {
  border-color: var(--color-border-hover);
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.card-body {
  padding: 24px;
}

.card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

/* ========== Stats Grid ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card:nth-child(2)::before { background: linear-gradient(90deg, #10b981, #34d399); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }

.stat-card h3 {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}

.stat-card p, .stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.stat-card .value.online { color: var(--color-success); }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--color-accent);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 0 16px var(--color-accent-glow);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-small {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  margin: 0 2px;
}

.btn-danger {
  background: var(--color-danger);
  border-color: transparent;
}
.btn-danger:hover {
  background: #dc2626;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.3);
}

.btn-warning {
  background: var(--color-warning);
  color: var(--color-text-inverse);
}
.btn-warning:hover {
  background: #d97706;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.3);
}

.btn-success {
  background: var(--color-success);
}
.btn-success:hover {
  background: #059669;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
  background: rgba(255,255,255,0.03);
  box-shadow: none;
}

.btn-generate {
  background: var(--color-warning);
  color: var(--color-text-inverse);
  padding: 7px 14px;
  font-size: 12.5px;
}
.btn-generate:hover { background: #d97706; }

/* ========== Forms ========== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-primary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle), 0 0 12px var(--color-accent-glow);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

select option {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
}

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

.form-group {
  margin-bottom: 18px;
}

.form-group input,
.form-group select,
.form-group textarea {
  margin-top: 2px;
}

/* ========== Tables ========== */
table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 12px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--color-text-muted);
  background: rgba(15, 23, 42, 0.4);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

tbody td {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

tbody tr {
  transition: background var(--transition-fast);
}

tbody tr:hover {
  background: rgba(99, 102, 241, 0.04);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ========== Badges ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-active, .badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-inactive, .badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.verified { color: var(--color-success); font-weight: 500; }
.unverified { color: var(--color-warning); font-weight: 500; }

/* Status badges for orders */
.status-paid {
  background: var(--color-success-bg);
  color: var(--color-success);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(16,185,129,0.2);
}
.status-pending {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(245,158,11,0.2);
}
.status-expired {
  background: rgba(148,163,184,0.1);
  color: var(--color-text-muted);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--color-border);
}
.status-cancelled {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(239,68,68,0.2);
}

/* ========== Filters ========== */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 18px;
}

.filters input,
.filters select {
  width: auto;
  min-width: 180px;
}

/* ========== Modals ========== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal.show { display: flex; }

.modal-content {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 0;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99,102,241,0.08);
  animation: modal-enter 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modal-enter {
  from { transform: scale(0.92) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

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

.modal-content .modal-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.modal-content .close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 20px;
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
}

.modal-content .close:hover {
  background: rgba(255,255,255,0.06);
  color: var(--color-text-primary);
}

.modal-content > form,
.modal-content > div:not(.modal-header) {
  padding: 24px;
}

/* Modal form inputs - need spacing fix */
.modal-content input,
.modal-content select,
.modal-content textarea {
  margin: 4px 0 14px;
}

.modal-content label {
  margin-top: 4px;
}

/* ========== Detail rows (user detail modal etc.) ========== */
.detail-row {
  display: flex;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.detail-label {
  width: 130px;
  font-weight: 500;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.detail-value {
  flex: 1;
  color: var(--color-text-primary);
  word-break: break-all;
}

/* ========== Toast Notifications ========== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-slide-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  min-width: 280px;
  max-width: 420px;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
}

.toast.success { background: rgba(16, 185, 129, 0.9); }
.toast.error { background: rgba(239, 68, 68, 0.9); }
.toast.warning { background: rgba(245, 158, 11, 0.9); color: var(--color-text-inverse); }
.toast.info { background: rgba(59, 130, 246, 0.9); }

.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-message { flex: 1; line-height: 1.4; }
.toast-close { cursor: pointer; opacity: 0.7; font-size: 16px; flex-shrink: 0; }
.toast-close:hover { opacity: 1; }

@keyframes toast-slide-in {
  from { transform: translateX(100%) scale(0.8); opacity: 0; }
  to { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(120%); opacity: 0; }
}

/* ========== Confirm Dialog ========== */
.confirm-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

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

.confirm-dialog,
.confirm-content {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  animation: modal-enter 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

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

.confirm-header.warning { background: var(--color-warning-bg); }
.confirm-header.danger { background: var(--color-danger-bg); }
.confirm-header.info { background: var(--color-info-bg); }
.confirm-header.success { background: var(--color-success-bg); }

.confirm-icon { font-size: 26px; }
.confirm-title { font-size: 16px; font-weight: 600; color: var(--color-text-primary); }

.confirm-body,
.confirm-message {
  padding: 20px 24px;
  color: var(--color-text-secondary);
  font-size: 13.5px;
  line-height: 1.6;
}

.confirm-footer,
.confirm-buttons {
  padding: 16px 24px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  border-top: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.3);
}

.confirm-btn {
  padding: 9px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.confirm-btn-cancel,
.confirm-btn.cancel {
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.confirm-btn-cancel:hover,
.confirm-btn.cancel:hover {
  background: rgba(255,255,255,0.06);
  color: var(--color-text-primary);
}

.confirm-btn-confirm,
.confirm-btn.confirm {
  background: var(--color-accent);
  color: white;
}
.confirm-btn-confirm:hover,
.confirm-btn.confirm:hover {
  background: var(--color-accent-hover);
}

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

.confirm-btn-success,
.confirm-btn.confirm.success {
  background: var(--color-success);
  color: white;
}
.confirm-btn-success:hover { background: #059669; }

/* ========== Security Modal (admin-security.js) ========== */
.security-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  z-index: 10001;
  padding: 20px;
}
.security-modal.show { display: flex; }

.security-dialog {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 450px;
  box-shadow: var(--shadow-lg);
  animation: modal-enter 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.security-header {
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(59,130,246,0.1));
  border-bottom: 1px solid var(--color-border);
}

.security-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex; align-items: center; gap: 10px;
  margin: 0;
}

.security-body { padding: 24px; }
.security-body .form-group { margin-bottom: 16px; }
.security-body .form-group label { color: var(--color-text-secondary); font-size: 13px; }
.security-body .form-group input { margin-top: 4px; }
.security-body .form-group textarea {
  width: 100%; padding: 12px; background: var(--color-bg-input);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  color: var(--color-text-primary); font-size: 13px; font-family: var(--font-mono);
  min-height: 100px; resize: vertical;
}
.security-body .form-group textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}
.security-body .hint { font-size: 12px; color: var(--color-text-muted); margin-top: 6px; line-height: 1.5; }

.security-footer {
  padding: 16px 24px;
  display: flex; gap: 10px; justify-content: flex-end;
  border-top: 1px solid var(--color-border);
  background: rgba(15,23,42,0.3);
}

.security-btn { padding: 9px 20px; border: none; border-radius: var(--radius-md); font-family: var(--font-sans); font-size: 13px; font-weight: 500; cursor: pointer; transition: all var(--transition-fast); }
.security-btn-cancel { background: var(--color-bg-elevated); color: var(--color-text-secondary); border: 1px solid var(--color-border); }
.security-btn-cancel:hover { background: rgba(255,255,255,0.06); }
.security-btn-primary { background: var(--color-accent); color: white; }
.security-btn-primary:hover { background: var(--color-accent-hover); }
.security-btn-danger { background: var(--color-danger); color: white; }
.security-btn-danger:hover { background: #dc2626; }

/* TOTP styles */
.totp-qr-container { text-align: center; padding: 20px; background: rgba(15,23,42,0.5); border-radius: var(--radius-md); margin-bottom: 16px; border: 1px solid var(--color-border); }
.totp-qr-container img { max-width: 180px; margin-bottom: 12px; border-radius: var(--radius-sm); }
.totp-secret { font-family: var(--font-mono); font-size: 13px; background: var(--color-bg-input); padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); color: var(--color-accent-hover); word-break: break-all; }
.totp-status { display: flex; align-items: center; gap: 8px; padding: 12px; background: var(--color-success-bg); border-radius: var(--radius-md); color: var(--color-success); margin-bottom: 16px; border: 1px solid rgba(16,185,129,0.2); font-size: 13px; }
.totp-status.disabled { background: var(--color-warning-bg); color: var(--color-warning); border-color: rgba(245,158,11,0.2); }

/* ========== User Dropdown (full styles, replaces admin-security.js injection) ========== */
.user-dropdown {
  position: relative;
  display: inline-block;
}
.user-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}
.user-dropdown-btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--color-border-hover);
}
.user-dropdown-btn .avatar {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-accent), #818cf8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
.user-dropdown-btn .username {
  color: var(--color-text-primary);
  font-size: 13px;
  font-weight: 500;
}
.user-dropdown-btn .arrow {
  color: var(--color-text-muted);
  font-size: 10px;
  transition: transform 0.2s;
  margin-left: 2px;
}
.user-dropdown.open .arrow {
  transform: rotate(180deg);
}
.user-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 210px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
  overflow: hidden;
}
.user-dropdown.open .user-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.user-dropdown-menu .dropdown-header {
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(59,130,246,0.1));
  border-bottom: 1px solid var(--color-border);
}
.user-dropdown-menu .dropdown-header .name {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}
.user-dropdown-menu .dropdown-header .role {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 3px;
}
.user-dropdown-menu .dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  color: var(--color-text-secondary);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 13px;
}
.user-dropdown-menu .dropdown-item:hover {
  background: rgba(255,255,255,0.04);
  color: var(--color-text-primary);
}
.user-dropdown-menu .dropdown-item .icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.user-dropdown-menu .dropdown-item.danger {
  color: var(--color-danger);
}
.user-dropdown-menu .dropdown-item.danger:hover {
  background: var(--color-danger-bg);
}
.user-dropdown-menu .dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}

/* ========== Upload Area ========== */
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-top: 8px;
  color: var(--color-text-muted);
}
.upload-area:hover { border-color: var(--color-accent); background: var(--color-accent-subtle); }
.upload-area.dragover { border-color: var(--color-accent); background: var(--color-accent-subtle); }
.preview-img { max-width: 150px; max-height: 100px; margin-top: 12px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); }
.file-info { margin-top: 8px; font-size: 12px; color: var(--color-text-muted); }
.flag-img { width: 40px; height: 30px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--color-border); }

/* ========== Drag sort ========== */
.drag-handle { cursor: grab; color: var(--color-text-muted); font-size: 16px; user-select: none; padding: 0 8px; }
.drag-handle:hover { color: var(--color-accent); }
.drag-handle:active { cursor: grabbing; }
.sortable-ghost { opacity: 0.3; background: var(--color-accent-subtle); }
.sortable-drag { background: var(--color-bg-surface); box-shadow: var(--shadow-lg); border-radius: var(--radius-sm); }

/* ========== Tabs ========== */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
  gap: 4px;
}

.tab {
  padding: 10px 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-normal);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab:hover {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.02);
}

.tab.active {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========== Messages ========== */
.message {
  padding: 12px 16px;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  display: none;
  font-size: 13px;
  border: 1px solid transparent;
}

.message.success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border-color: rgba(16,185,129,0.2);
  display: block;
}

.message.error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: rgba(239,68,68,0.2);
  display: block;
}

/* ========== Misc ========== */
.tip-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.address-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-secondary);
}

code {
  font-family: var(--font-mono);
  background: var(--color-bg-input);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid var(--color-border);
  color: var(--color-accent-hover);
}

.header-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
}

.empty-state .icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-elevated) 25%, rgba(255,255,255,0.04) 50%, var(--color-bg-elevated) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .content { padding: 16px; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 150;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.show {
    display: block;
  }

  .sidebar-toggle {
    display: flex;
  }

  .main {
    margin-left: 0;
    width: 100%;
  }

  .navbar {
    padding: 0 16px 0 56px;
  }

  .content {
    padding: 14px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .filters {
    flex-direction: column;
  }

  .filters input,
  .filters select {
    width: 100%;
    min-width: unset;
  }

  /* Table responsive */
  table {
    font-size: 12px;
  }

  th, td {
    padding: 8px 6px;
  }

  .btn-small {
    padding: 4px 6px;
    font-size: 11px;
  }

  .modal-content {
    max-width: 100%;
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  .stat-card p, .stat-card .value {
    font-size: 22px;
  }

  .navbar h3 {
    font-size: 14px;
  }
}

/* ========== Page enter animation ========== */
.content {
  animation: content-fade-in 0.4s ease-out;
}

@keyframes content-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Light Theme ========== */
[data-theme="light"] {
  --color-bg-base: #f0f2f5;
  --color-bg-surface: #ffffff;
  --color-bg-card: rgba(255, 255, 255, 0.92);
  --color-bg-card-hover: rgba(255, 255, 255, 1);
  --color-bg-elevated: #f5f5f5;
  --color-bg-input: rgba(0, 0, 0, 0.03);

  --color-sidebar-bg: #ffffff;
  --color-sidebar-header: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
  --color-sidebar-active: rgba(99, 102, 241, 0.1);
  --color-sidebar-hover: rgba(0, 0, 0, 0.03);

  --color-text-primary: #1e293b;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.15);
  --color-border-accent: rgba(99, 102, 241, 0.35);

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.06);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.1);
  --shadow-card: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
}

/* Light sidebar */
[data-theme="light"] .sidebar {
  background: #ffffff;
  border-right-color: rgba(0, 0, 0, 0.06);
  box-shadow: 1px 0 4px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .sidebar-header {
  background: linear-gradient(135deg, #f8fafc, #eef2ff);
}
[data-theme="light"] .sidebar-header h2 {
  color: #1e293b;
}
[data-theme="light"] .sidebar-header h2::before {
  background: var(--color-accent);
}
[data-theme="light"] .sidebar-header p {
  color: #94a3b8;
}
[data-theme="light"] .sidebar-header::after {
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.2), transparent);
}
[data-theme="light"] .menu-item {
  color: #475569;
}
[data-theme="light"] .menu-item:hover {
  color: #1e293b;
  background: rgba(0, 0, 0, 0.03);
}
[data-theme="light"] .menu-item.active {
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.08);
}
[data-theme="light"] .sidebar-collapse-btn {
  color: #94a3b8;
  border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .sidebar-collapse-btn:hover {
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.05);
}

[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] thead th {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] tbody tr:hover {
  background: rgba(99, 102, 241, 0.03);
}

[data-theme="light"] .user-dropdown-btn {
  background: #f1f5f9;
  border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .user-dropdown-btn:hover {
  background: #e2e8f0;
}
[data-theme="light"] .user-dropdown-btn .username {
  color: #1e293b;
}
[data-theme="light"] .user-dropdown-menu {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
[data-theme="light"] .user-dropdown-menu .dropdown-header {
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(59,130,246,0.05));
}
[data-theme="light"] .user-dropdown-menu .dropdown-header .name {
  color: #1e293b;
}
[data-theme="light"] .user-dropdown-menu .dropdown-header .role {
  color: #64748b;
}
[data-theme="light"] .user-dropdown-menu .dropdown-item {
  color: #475569;
}
[data-theme="light"] .user-dropdown-menu .dropdown-item:hover {
  background: #f1f5f9;
  color: #1e293b;
}
[data-theme="light"] .user-dropdown-menu .dropdown-divider {
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .security-header {
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(59,130,246,0.05));
}

[data-theme="light"] .log-container {
  background: #1e293b;
  color: #e2e8f0;
}

[data-theme="light"] .install-box {
  background: rgba(99, 102, 241, 0.04);
  border-color: rgba(99, 102, 241, 0.15);
}
[data-theme="light"] .install-box code {
  background: #1e293b;
  color: #a5b4fc;
}

/* Light theme modal */
[data-theme="light"] .modal-content,
[data-theme="light"] .confirm-dialog,
[data-theme="light"] .confirm-content,
[data-theme="light"] .security-dialog {
  background: #ffffff;
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .confirm-footer,
[data-theme="light"] .confirm-buttons,
[data-theme="light"] .security-footer {
  background: #f8fafc;
}
[data-theme="light"] .confirm-btn-cancel,
[data-theme="light"] .confirm-btn.cancel,
[data-theme="light"] .security-btn-cancel {
  background: #e2e8f0;
  color: #475569;
  border-color: rgba(0,0,0,0.08);
}

/* ========== Theme Toggle Button ========== */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 16px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  padding: 0;
  line-height: 1;
}
.theme-toggle:hover {
  background: var(--color-accent-subtle);
  border-color: var(--color-border-accent);
  color: var(--color-accent-hover);
  transform: rotate(15deg);
}

/* =====================================================
   PAGE-SPECIFIC STYLES
   ===================================================== */

/* ========== Protocol / Type Badges ========== */
.badge-vless { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(16,185,129,0.2); }
.badge-vmess { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-ss { background: var(--color-info-bg); color: var(--color-info); border: 1px solid rgba(59,130,246,0.2); }
.badge-socks, .badge-socks5 { background: rgba(168,85,247,0.12); color: #a855f7; border: 1px solid rgba(168,85,247,0.2); }
.badge-wireguard { background: rgba(6,182,212,0.12); color: #06b6d4; border: 1px solid rgba(6,182,212,0.2); }
.badge-wg-socks5 { background: rgba(251,146,60,0.12); color: #fb923c; border: 1px solid rgba(251,146,60,0.2); }
.badge-transit { background: var(--color-info-bg); color: var(--color-info); border: 1px solid rgba(59,130,246,0.2); }
.badge-direct { background: rgba(148,163,184,0.1); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.badge-data { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(16,185,129,0.2); }
.badge-voice { background: rgba(168,85,247,0.12); color: #a855f7; border: 1px solid rgba(168,85,247,0.2); }
.badge-super { background: rgba(99,102,241,0.12); color: var(--color-accent-hover); border: 1px solid rgba(99,102,241,0.2); }

/* ========== Status Indicators ========== */
.status-enabled, .status-online { color: var(--color-success); font-weight: 500; }
.status-disabled, .status-offline { color: var(--color-danger); font-weight: 500; }
.status-available { color: var(--color-success); font-weight: 500; }
.status-locked { color: var(--color-danger); font-weight: 500; }
.status-used { background: var(--color-info-bg); color: var(--color-info); cursor: pointer; padding: 3px 10px; border-radius: 20px; font-size: 11px; border: 1px solid rgba(59,130,246,0.2); }
.status-used:hover { background: rgba(59,130,246,0.2); }
.expired { color: var(--color-danger); }
.active-status { color: var(--color-success); }

/* ========== Extra Button Variants ========== */
.btn-info { background: #06b6d4; }
.btn-info:hover { background: #0891b2; box-shadow: 0 0 16px rgba(6,182,212,0.3); }
.btn-gift { background: #a855f7; }
.btn-gift:hover { background: #9333ea; box-shadow: 0 0 16px rgba(168,85,247,0.3); }
.btn-purple { background: #a855f7; }
.btn-purple:hover { background: #9333ea; box-shadow: 0 0 16px rgba(168,85,247,0.3); }
.btn-primary { background: var(--color-accent); color: white; }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-test { background: #a855f7; }
.btn-test:hover { background: #9333ea; box-shadow: 0 0 16px rgba(168,85,247,0.3); }

/* ========== Search Bar ========== */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
}
.search-bar input { flex: 1; }

/* ========== Search Suggestions ========== */
.search-suggestions {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  max-height: 250px;
  overflow-y: auto;
  display: none;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.search-suggestions.show { display: block; }
.suggestion-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  transition: background var(--transition-fast);
}
.suggestion-item:last-child { border-bottom: none; }
.suggestion-item:hover, .suggestion-item.selected { background: var(--color-accent-subtle); }
.suggestion-item .main-text { font-weight: 500; color: var(--color-text-primary); }
.suggestion-item .sub-text { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }
.suggestion-item .highlight { background: rgba(245,158,11,0.2); color: var(--color-warning); padding: 0 2px; border-radius: 2px; }

/* ========== Link / UUID Display ========== */
.link-text {
  display: block;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  background: var(--color-bg-input);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.link-cell { display: flex; align-items: center; gap: 4px; }
.uuid-text {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

/* ========== Copy Button ========== */
.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition-fast);
  color: var(--color-accent-hover);
  gap: 6px;
  padding: 0 8px;
}
.copy-btn:hover { background: rgba(99,102,241,0.2); }
.copy-btn.copied { background: var(--color-success-bg); border-color: rgba(16,185,129,0.3); color: var(--color-success); }

/* ========== Exit Node Info ========== */
.exit-info { font-size: 11px; }
.exit-name { color: var(--color-accent-hover); font-weight: 500; }
.exit-none { color: var(--color-text-muted); font-style: italic; }

/* ========== Traffic Display ========== */
.gift-traffic { color: var(--color-success); font-weight: 500; }
.gift-time { color: var(--color-warning); font-weight: 500; }

/* ========== Progress Bar ========== */
.progress-bar-container {
  width: 80px;
  height: 6px;
  background: rgba(148,163,184,0.15);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.progress-bar.warning { background: var(--color-warning); }
.progress-bar.danger { background: var(--color-danger); }

/* ========== QR Code Tabs ========== */
.qr-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}
.qr-tab {
  flex: 1;
  padding: 10px 16px;
  text-align: center;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
}
.qr-tab:hover { color: var(--color-text-primary); background: rgba(255,255,255,0.02); }
.qr-tab.active { color: var(--color-accent-hover); border-bottom-color: var(--color-accent); }
.qr-tab-content { display: none; text-align: center; }
.qr-tab-content.active { display: block; }
.qr-client-hint { font-size: 11px; color: var(--color-text-muted); margin-top: 8px; }

/* ========== SOCKS5 Test Results ========== */
.test-result { text-align: left; }
.test-result-item { display: flex; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.test-result-item:last-child { border-bottom: none; }
.test-result-label { width: 100px; color: var(--color-text-muted); font-size: 13px; flex-shrink: 0; }
.test-result-value { flex: 1; font-weight: 500; color: var(--color-text-primary); word-break: break-all; }
.test-result-value.ip { color: var(--color-accent-hover); font-size: 18px; font-family: var(--font-mono); }
.test-result-loading { text-align: center; padding: 40px; }
.test-result-loading .spinner {
  display: inline-block; width: 36px; height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.test-result-error { text-align: center; padding: 30px; color: var(--color-danger); }
.test-result-error .icon { font-size: 44px; margin-bottom: 12px; }

/* ========== Usage Item (Exit Nodes) ========== */
.usage-item {
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  background: var(--color-bg-elevated);
  transition: background var(--transition-fast);
}
.usage-item:hover { background: rgba(99,102,241,0.05); }
.usage-item .email { font-weight: 500; color: var(--color-accent-hover); }
.usage-item .link-id { color: var(--color-text-muted); font-size: 12px; }

/* ========== Form Layout ========== */
.form-row { display: flex; gap: 16px; }
.form-row > div { flex: 1; }
.form-row .form-group { flex: 1; margin-bottom: 0; }
.form-input { /* alias for standard input styling */ }

/* ========== Checkbox Group ========== */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0;
}
.checkbox-group input[type="checkbox"] {
  width: 16px; height: 16px;
  cursor: pointer;
  margin: 0;
  accent-color: var(--color-accent);
}
.checkbox-group label { margin: 0; font-weight: normal; cursor: pointer; }

/* ========== SNI Group (Servers) ========== */
.sni-group { display: flex; gap: 8px; align-items: flex-end; }
.sni-group input { flex: 1; margin: 4px 0 0; }
.sni-group select { width: 180px; margin: 4px 0 0; }
.sni-group button { margin: 4px 0 0; white-space: nowrap; }

/* ========== Log Container ========== */
.log-container {
  background: var(--color-bg-base);
  color: var(--color-text-secondary);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ========== Action Buttons Group ========== */
.action-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* ========== WG Routers Specific ========== */
.status-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}
.status-badge.status-online { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(16,185,129,0.2); }
.status-badge.status-offline { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid rgba(239,68,68,0.2); }

.mac-address { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); }
.ip-address { font-family: var(--font-mono); color: var(--color-accent-hover); }

.install-box {
  background: rgba(99,102,241,0.08);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}
.install-box h4 { color: var(--color-accent-hover); margin-bottom: 12px; }
.install-cmd-wrapper { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.install-box code {
  background: var(--color-bg-base);
  color: var(--color-accent-hover);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  flex: 1;
  border: 1px solid var(--color-border);
  font-size: 13px;
}

.ip-cell .wan-ip { font-family: var(--font-mono); color: var(--color-text-muted); }
.ip-cell .public-ip { font-family: var(--font-mono); color: var(--color-accent-hover); font-weight: 500; }
.ip-cell .ip-location {
  font-size: 11px; color: var(--color-text-muted);
  margin-top: 4px;
  background: var(--color-bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid var(--color-border);
}
.ip-cell .loading { color: var(--color-text-muted); font-size: 12px; }

/* Tab bar (WG routers alternative) */
.tab-bar { display: flex; gap: 0; border-bottom: 1px solid var(--color-border); }
.tab-count {
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  border: 1px solid var(--color-border);
}
.tab.active .tab-count { background: var(--color-accent-subtle); color: var(--color-accent-hover); border-color: var(--color-border-accent); }

.ws-badge { padding: 3px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.ws-online { background: var(--color-success-bg); color: var(--color-success); border: 1px solid rgba(16,185,129,0.2); }

/* Modal overlay variant (wg-routers) */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.65); backdrop-filter: blur(6px); z-index: 1000; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.modal-overlay.show { display: flex; opacity: 1; }
.modal-overlay .modal-content { transform: scale(0.92); transition: transform 0.3s ease; }
.modal-overlay.show .modal-content { transform: scale(1); }
.modal-close {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: rgba(255,255,255,0.06); color: var(--color-text-primary); }
.modal-body { padding: 0 24px 24px; }
.modal-footer { padding: 16px 24px 24px; display: flex; justify-content: flex-end; gap: 10px; }

/* ========== Packages Sort ========== */
.sort-tip { font-size: 12px; color: var(--color-text-muted); margin-left: 16px; display: inline-block; }
tr.dragging { opacity: 0.4; }

/* ========== Permissions Specific ========== */
.permission-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.permission-tag {
  background: var(--color-accent-subtle);
  color: var(--color-accent-hover);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  border: 1px solid rgba(99,102,241,0.2);
}
.permission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  padding: 12px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.permission-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}
.permission-item:hover { border-color: var(--color-border-hover); background: rgba(255,255,255,0.02); }
.permission-item.selected { border-color: var(--color-accent); background: var(--color-accent-subtle); }
.permission-item input[type="checkbox"] { width: 14px; height: 14px; cursor: pointer; margin: 0; accent-color: var(--color-accent); }
.permission-item .icon { font-size: 14px; }
.permission-item .name { font-size: 12px; color: var(--color-text-secondary); white-space: nowrap; }
.select-all-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.select-all-bar label { display: flex; align-items: center; gap: 6px; cursor: pointer; color: var(--color-text-muted); font-size: 12px; }
.super-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, var(--color-accent), #818cf8);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

/* ========== Toolbar (WG Routers) ========== */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}
.toolbar select { width: auto; min-width: 150px; max-width: 280px; }
.toolbar input { width: auto; min-width: 180px; }

/* ========== Pagination ========== */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 0;
  margin-top: 14px;
  border-top: 1px solid var(--color-border);
  gap: 12px;
  flex-wrap: wrap;
}
.pagination-info {
  font-size: 12px;
  color: var(--color-text-muted);
}
.pagination-info strong {
  color: var(--color-text-primary);
}
.pagination-pages {
  display: flex;
  align-items: center;
  gap: 4px;
}
.pagination-btn {
  min-width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.pagination-btn:hover:not(:disabled):not(.active) {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}
.pagination-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  font-weight: 600;
}
.pagination-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.pagination-ellipsis {
  width: 28px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}
.pagination-size select {
  width: auto;
  min-width: 100px;
  padding: 6px 28px 6px 10px;
  font-size: 12px;
}