/* RionVPN Admin Dashboard Stylesheet */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.2);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.2);
  --accent-rose: #f43f5e;
  --accent-rose-glow: rgba(244, 63, 94, 0.2);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(56, 189, 248, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(99, 102, 241, 0.05) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.header-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-cyan-glow);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Auto Refresh Toggle */
.auto-refresh-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #334155;
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.slider::before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-cyan);
}

input:checked + .slider::before {
  transform: translateX(16px);
}

/* Main Content */
.main-content {
  flex: 1;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-pending { background: rgba(245, 158, 11, 0.12); color: var(--accent-amber); }
.icon-approved { background: rgba(16, 185, 129, 0.12); color: var(--accent-emerald); }
.icon-revoked { background: rgba(244, 63, 94, 0.12); color: var(--accent-rose); }
.icon-total { background: rgba(56, 189, 248, 0.12); color: var(--accent-cyan); }

.metric-info {
  display: flex;
  flex-direction: column;
}

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

.metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-amber { color: var(--accent-amber); }
.text-emerald { color: var(--accent-emerald); }
.text-rose { color: var(--accent-rose); }
.text-cyan { color: var(--accent-cyan); }
.text-muted { color: var(--text-muted); }

/* Table Controls */
.table-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  background: rgba(17, 24, 39, 0.6);
  padding: 0.375rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  background: #1e293b;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: #334155;
  color: #cbd5e1;
}

.badge-amber { background: rgba(245, 158, 11, 0.2); color: var(--accent-amber); }
.badge-emerald { background: rgba(16, 185, 129, 0.2); color: var(--accent-emerald); }
.badge-rose { background: rgba(244, 63, 94, 0.2); color: var(--accent-rose); }

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 320px;
}

.search-box svg {
  position: absolute;
  left: 1rem;
  color: var(--text-subtle);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.625rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

/* Card & Table */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.device-title {
  font-weight: 600;
  color: #fff;
  display: block;
}

.device-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.mono {
  font-family: var(--font-mono);
}

.pubkey-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #cbd5e1;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  transition: color var(--transition-fast);
}

.copy-btn:hover {
  color: var(--accent-cyan);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.status-pill.status-pending {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.status-pill.status-approved {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-pill.status-revoked {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.text-right {
  text-align: right;
}

.table-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-primary {
  background: #0284c7;
  color: #fff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background: #0369a1;
  transform: translateY(-1px);
}

.btn-approve {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

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

.btn-revoke {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.25);
}

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

.btn-delete {
  background: transparent;
  color: var(--text-subtle);
  border-color: transparent;
}

.btn-delete:hover {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
}

.btn-secondary {
  background: #1e293b;
  color: #cbd5e1;
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #334155;
  color: #fff;
}

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

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.w-full {
  width: 100%;
}

/* Loading & Empty State */
.loading-state, .empty-state {
  text-align: center;
  padding: 4rem 2rem !important;
  color: var(--text-muted);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(56, 189, 248, 0.15);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem auto;
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  max-width: 440px;
  width: 100%;
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.modal-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

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

.form-group input {
  padding: 0.75rem 1rem;
  background: #0b0f19;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-error {
  color: var(--accent-rose);
  font-size: 0.75rem;
}

.form-error.hidden {
  display: none;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: #1e293b;
  color: #fff;
  border: 1px solid var(--border-color);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.25s ease forwards;
}

.toast.toast-success { border-left: 4px solid var(--accent-emerald); }
.toast.toast-error { border-left: 4px solid var(--accent-rose); }
.toast.toast-info { border-left: 4px solid var(--accent-cyan); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Purple and Indigo Accent Classes */
.text-purple { color: #c084fc; }
.text-indigo { color: #818cf8; }
.icon-reinstalled { background: rgba(192, 132, 252, 0.12); color: #c084fc; }
.icon-nodes { background: rgba(129, 140, 248, 0.12); color: #818cf8; }

.badge-purple {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.status-pill.status-reinstalled {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.reinstall-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(168, 85, 247, 0.2);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.4);
  margin-top: 0.25rem;
}

.btn-dismiss {
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.btn-dismiss:hover {
  background: rgba(168, 85, 247, 0.3);
  color: #fff;
}

/* Nodes Section & Grid */
.nodes-section {
  padding: 1.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.section-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.node-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.node-card:hover {
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-2px);
}

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

.node-title-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.country-flag {
  font-size: 1.25rem;
  line-height: 1;
}

.node-name {
  font-weight: 600;
  color: #fff;
}

.node-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.node-detail-item {
  display: flex;
  justify-content: space-between;
}

.node-detail-item span:first-child {
  color: var(--text-subtle);
}

/* Modal Wide & Forms */
.modal-wide {
  max-width: 680px;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.form-select {
  padding: 0.75rem 1rem;
  background: #0b0f19;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  width: 100%;
}

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

.text-subtle {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 0.25rem;
}

/* Assigned Nodes In Table */
.assigned-nodes-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.node-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.15rem 0.45rem;
  background: rgba(129, 140, 248, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: var(--radius-sm);
}

.priority-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0 0.25rem;
  background: #312e81;
  color: #c7d2fe;
  border-radius: 3px;
}

/* Terminal Console for Live SSE */
.terminal-container {
  margin-top: 1.25rem;
  background: #050811;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.terminal-header {
  background: #0c1222;
  padding: 0.5rem 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.terminal-body {
  padding: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  color: #94a3b8;
  max-height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-body .term-success { color: #34d399; font-weight: 600; }
.terminal-body .term-error { color: #f43f5e; font-weight: 600; }
.terminal-body .term-step { color: #38bdf8; font-weight: 500; }
.terminal-body .term-command { color: #fbbf24; }

@media (max-width: 768px) {
  .header-container { flex-direction: column; gap: 1rem; align-items: flex-start; }
  .table-controls { flex-direction: column; align-items: stretch; }
  .search-box { min-width: 100%; }
  .form-row { flex-direction: column; gap: 0; }
}

/* Diagnostic Report Modal & Logs */
.diag-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
}
.diag-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.log-pre {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: #94a3b8;
  max-height: 180px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
.dual-port-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
}