:root {
  --bg-base: #070b12;
  --bg-elevated: #0d1219;
  --bg-surface: #121a24;
  --bg-surface-hover: #172030;
  --bg-input: #0a1018;
  --border: #1c2736;
  --border-light: #263244;
  --text: #edf2f7;
  --text-secondary: #9aa8bc;
  --text-muted: #6b7a90;
  --primary: #3d8bfd;
  --primary-soft: rgba(61, 139, 253, 0.12);
  --primary-hover: #2f7aeb;
  --accent: #7c5cff;
  --success: #22c55e;
  --success-soft: rgba(34, 197, 94, 0.12);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.12);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --sidebar-width: 272px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
  background: var(--bg-base);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.ti { font-size: 1.1em; vertical-align: -0.125em; }

.spin { animation: spin 0.9s linear infinite; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(61, 139, 253, 0.25);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #6d4df0 100%);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--border-light);
  color: var(--text-secondary);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  color: var(--text);
}

.btn-sm { padding: 8px 14px; font-size: 0.8125rem; }
.btn-icon { width: 38px; height: 38px; padding: 0; }

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

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-wrap {
  position: relative;
}

.input-wrap .ti {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.form-group input {
  width: 100%;
  padding: 12px 42px 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

/* Alerts */
.alert {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 18px;
}

.alert.show { display: flex; }
.alert-error { background: var(--danger-soft); border: 1px solid rgba(239, 68, 68, 0.25); color: #fca5a5; }
.alert-success { background: var(--success-soft); border: 1px solid rgba(34, 197, 94, 0.25); color: #86efac; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-green { background: var(--success-soft); color: var(--success); }
.badge-red { background: var(--danger-soft); color: var(--danger); }
.badge-blue { background: var(--primary-soft); color: var(--primary); }
.badge-amber { background: var(--warning-soft); color: var(--warning); }

/* Login */
.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(61, 139, 253, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 100%, rgba(124, 92, 255, 0.1), transparent 55%),
    var(--bg-base);
}

.login-shell {
  width: 100%;
  max-width: 980px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-elevated);
}

.login-hero {
  padding: 48px 40px;
  background: linear-gradient(160deg, rgba(61, 139, 253, 0.08) 0%, rgba(124, 92, 255, 0.06) 100%);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 520px;
}

.login-hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 10px 30px rgba(61, 139, 253, 0.28);
}

.brand-icon .ti { font-size: 1.5rem; }

.login-hero h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.login-hero p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-top: 4px;
}

.feature-list {
  display: grid;
  gap: 14px;
  margin-top: 36px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.feature-item .icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  flex-shrink: 0;
}

.feature-item strong {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 2px;
}

.feature-item span {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.login-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.login-card {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-card h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 28px;
}

.login-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Dashboard layout */
.dashboard { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.sidebar-brand h2 { font-size: 1rem; font-weight: 700; }
.sidebar-brand span { font-size: 0.72rem; color: var(--text-muted); display: block; margin-top: 2px; }

.nav-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: right;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
}

.nav-item .ti { color: var(--text-muted); transition: color var(--transition); }

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

.nav-item:hover .ti,
.nav-item.active .ti { color: var(--primary); }

.nav-item.active { font-weight: 600; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.sidebar-footer .nav-item { color: var(--danger); }
.sidebar-footer .nav-item .ti { color: var(--danger); }

.main-content {
  flex: 1;
  margin-right: var(--sidebar-width);
  padding: 28px 32px 40px;
  min-width: 0;
}

.topbar-mobile {
  display: none;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 4px;
}

.page-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition);
}

.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.stat-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}

.stat-icon.blue { background: var(--primary-soft); color: var(--primary); }
.stat-icon.green { background: var(--success-soft); color: var(--success); }
.stat-icon.purple { background: rgba(124, 92, 255, 0.12); color: var(--accent); }
.stat-icon.amber { background: var(--warning-soft); color: var(--warning); }

.stat-card .label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 0; }

.card-body.padded { padding: 20px; }

.info-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
}

.info-row {
  display: contents;
}

.info-row > div {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.info-row > div:first-child {
  color: var(--text-muted);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.01);
}

.info-row:last-child > div { border-bottom: none; }

.mono {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.78rem;
  word-break: break-all;
  color: var(--text-secondary);
}

/* Tables */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  padding: 14px 20px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.02);
}

tbody tr:hover td { background: rgba(61, 139, 253, 0.03); }

.table-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 36px 20px !important;
}

.table-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.user-cell strong { font-weight: 600; }
.user-cell small {
  display: block;
  color: var(--text-muted);
  margin-top: 2px;
  font-size: 0.78rem;
}

/* Security list */
.security-list { padding: 8px 0; }

.security-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.security-item:last-child { border-bottom: none; }

.security-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.security-item-left .icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--success-soft);
  color: var(--success);
}

.security-item strong { font-size: 0.875rem; font-weight: 600; }
.security-item span { display: block; color: var(--text-muted); font-size: 0.78rem; margin-top: 2px; }

/* Guide */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 20px;
}

.guide-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}

.guide-card .title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.guide-card p {
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* Toggle */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
  display: inline-block;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle .slider {
  position: absolute;
  inset: 0;
  background: var(--border-light);
  border-radius: 24px;
  transition: background var(--transition);
}

.toggle .slider::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  right: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
}

.toggle input:checked + .slider { background: var(--success); }
.toggle input:checked + .slider::before { transform: translateX(-20px); }

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 12, 0.72);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal.modal-lg {
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.links-modal-body {
  overflow-y: auto;
  max-height: calc(90vh - 72px);
}

.link-copy-btn {
  margin-top: 10px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body { padding: 22px; }

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  padding: 0 22px 22px;
}

.link-block + .link-block { margin-top: 18px; }

.link-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.link-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: Consolas, monospace;
  font-size: 0.74rem;
  word-break: break-all;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Sections */
.section { display: none; animation: fadeIn 0.25s ease; }
.section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 380px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { border-color: rgba(34, 197, 94, 0.35); }
.toast-error { border-color: rgba(239, 68, 68, 0.35); }
.toast-info { border-color: rgba(61, 139, 253, 0.35); }
.toast-warning { border-color: rgba(245, 158, 11, 0.35); }

.toast .ti { font-size: 1.15rem; }
.toast-success .ti { color: var(--success); }
.toast-error .ti { color: var(--danger); }
.toast-info .ti { color: var(--primary); }
.toast-warning .ti { color: var(--warning); }

/* Responsive */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-hero { display: none; }
  .login-card { padding: 36px 28px; }
}

/* Search & utilities */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  min-width: 220px;
}

.search-box .ti { color: var(--text-muted); }
.search-box input {
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.8125rem;
  width: 100%;
  outline: none;
}

.auto-refresh-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  cursor: pointer;
}

.confirm-modal { max-width: 400px; }
.confirm-modal p { color: var(--text-secondary); line-height: 1.7; }

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

/* Config Builder */
.form-select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid .form-group input:not([type="number"]) {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
}

.form-grid .form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.cfg-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.cfg-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.cfg-tab:hover,
.cfg-tab.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

.cfg-panel { display: none; }
.cfg-panel.active { display: block; animation: fadeIn 0.25s ease; }

.cfg-actions {
  margin-bottom: 20px;
}

.inbound-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.inbound-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.inbound-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.inbound-card-head .ti {
  color: var(--primary);
  font-size: 1.25rem;
}

.inbound-card-head strong { display: block; font-size: 0.9rem; }
.inbound-card-head span { color: var(--text-muted); font-size: 0.75rem; }

.inbound-card-body {
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}

.inbound-card-body > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8125rem;
}

.inbound-card-body span { color: var(--text-muted); }

.builder-select-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.sub-tabs-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sub-tabs-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.transport-tab,
.format-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.transport-tab:hover,
.format-tab:hover,
.transport-tab.active,
.format-tab.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

.config-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.config-output-wrap {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.qr-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: #fff;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.qr-section p {
  color: #555;
  font-size: 0.75rem;
  margin: 0;
}

.config-preview {
  flex: 1;
  min-width: 280px;
  min-height: 200px;
  max-height: 420px;
  overflow: auto;
  padding: 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  font-family: inherit;
}

.config-preview.json-preview {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-lg);
  }

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

  .main-content {
    margin-right: 0;
    padding: 16px;
  }

  .topbar-mobile { display: flex; }

  .stats-grid,
  .guide-grid { grid-template-columns: 1fr; }

  .info-grid { grid-template-columns: 1fr; }

  .info-row > div:first-child {
    border-bottom: none;
    padding-bottom: 4px;
    background: transparent;
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .form-grid,
  .inbound-cards {
    grid-template-columns: 1fr;
  }
}