:root {
  --bg: #0f1419;
  --bg-card: #1a2332;
  --bg-hover: #243044;
  --border: #2d3a4f;
  --text: #e8edf4;
  --text-muted: #8b9cb3;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: "Vazirmatn", "IRANSans", "Shabnam", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
  min-height: 100vh;
  line-height: 1.6;
}

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

/* Login */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(135deg, #0f1419 0%, #1a2744 50%, #0f1419 100%);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.login-card p {
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

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

.sidebar {
  width: 260px;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  padding: 1.5rem 0;
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-brand {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.sidebar-brand h2 {
  font-size: 1.1rem;
  color: var(--primary);
}

.sidebar-brand small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
  width: 100%;
  text-align: right;
  font-family: inherit;
  font-size: 0.95rem;
}

.nav-item:hover,
.nav-item.active {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  border-right: 3px solid var(--primary);
}

.main-content {
  flex: 1;
  margin-right: 260px;
  padding: 1.5rem 2rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.topbar h1 {
  font-size: 1.4rem;
}

.menu-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
}

/* Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.stat-card .label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
}

.stat-card.success .value { color: var(--success); }
.stat-card.danger .value { color: var(--danger); }
.stat-card.info .value { color: var(--info); }
.stat-card.warning .value { color: var(--warning); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.card-header h3 {
  font-size: 1.1rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-warning {
  background: var(--warning);
  color: #111;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--bg-hover);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.btn-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Table */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  white-space: nowrap;
}

tr:hover td {
  background: var(--bg-hover);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-info {
  background: rgba(6, 182, 212, 0.2);
  color: var(--info);
}

.badge-muted {
  background: rgba(139, 156, 179, 0.2);
  color: var(--text-muted);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h3 {
  margin-bottom: 1rem;
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-start;
  margin-top: 1.5rem;
}

/* Toast */
.toast-container {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }
.toast-info { background: var(--info); color: white; }

@keyframes slideIn {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Filters */
.filters-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.filters-bar .form-control {
  width: auto;
  min-width: 140px;
}

/* Pagination */
.pagination {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

/* Utilities */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.url-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.8rem;
  word-break: break-all;
  direction: ltr;
  text-align: left;
}

.page-section { display: none; }
.page-section.active { display: block; }

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Subscriptions table */
.subs-table-wrap {
  border-radius: 8px;
  border: 1px solid var(--border);
}

.subs-table {
  table-layout: fixed;
  min-width: 960px;
}

.subs-table th,
.subs-table td {
  vertical-align: middle;
  overflow: hidden;
}

.subs-table .col-name { width: 9%; }
.subs-table .col-url { width: 22%; }
.subs-table .col-prefix { width: 7%; }
.subs-table .col-interval { width: 8%; }
.subs-table .col-stats { width: 16%; }
.subs-table .col-status { width: 9%; }
.subs-table .col-next { width: 11%; }
.subs-table .col-actions { width: 18%; }

.sub-row.is-testing td {
  border-bottom: none;
}

.sub-progress-row td {
  padding: 0 1rem 0.85rem;
  background: rgba(59, 130, 246, 0.06);
  border-bottom: 1px solid var(--border);
}

.url-link {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  direction: ltr;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.url-link:hover {
  color: var(--primary);
}

.subs-table code {
  background: var(--bg);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

.stats-inline {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stats-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 2.5rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.stats-item .stats-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.2;
}

.stats-item strong {
  font-size: 0.95rem;
  line-height: 1.3;
}

.stats-item.healthy strong { color: var(--success); }
.stats-item.failed strong { color: var(--danger); }

.test-progress {
  padding: 0.65rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.test-progress-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.test-progress-msg {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.test-progress-pct {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--warning);
  white-space: nowrap;
}

.progress-track {
  height: 6px;
  background: var(--bg-hover);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--info));
  border-radius: 99px;
  transition: width 0.4s ease;
}

.col-actions .btn-group {
  justify-content: flex-start;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-right: 0;
    padding: 1rem;
  }
  .menu-toggle {
    display: block;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}