:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #182235;
  --bg-hover: #1f2d45;
  --border: #24324d;
  --border-focus: #3b82f6;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.mode-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  text-transform: uppercase;
}

.mode-proxy {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.mode-mock {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  transition: transform 0.15s, border-color 0.15s;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.5);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.highlight-cyan { color: var(--accent-cyan); }
.highlight-purple { color: var(--accent-purple); }
.highlight-green { color: var(--accent-green); }

.stat-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Gateway Banner */
.gateway-banner {
  background: linear-gradient(180deg, #131c2e, #0e1625);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.gateway-banner-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.gateway-banner-header h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.gateway-banner-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.gateway-url-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
}

.gateway-url-box .label {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.gateway-url-box code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.quick-examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}

.example-code {
  background-color: var(--bg-primary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 0.85rem;
}

.code-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

pre {
  margin: 0;
  overflow-x: auto;
}

code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #cbd5e1;
}

.host-text {
  color: var(--accent-cyan);
  font-weight: bold;
}

/* Action Bar */
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.search-box input {
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.85rem 0.6rem 2.4rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s;
}

.search-box input:focus {
  border-color: var(--border-focus);
}

.filter-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.form-select, .form-control {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 0.95rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s, opacity 0.15s;
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: white;
}
.btn-primary:hover { background-color: #2563eb; }

.btn-secondary {
  background-color: var(--bg-hover);
  color: var(--text-main);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background-color: #283955; }

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

.btn-danger-outline {
  background-color: transparent;
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger-outline:hover { background-color: rgba(239, 68, 68, 0.1); border-color: var(--accent-red); }

/* Table Container */
.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.table-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.table-header-row h2 {
  font-size: 1.05rem;
  font-weight: 600;
}

.table-counter {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  background-color: rgba(17, 24, 39, 0.6);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(36, 50, 77, 0.5);
  vertical-align: middle;
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background-color: rgba(31, 45, 69, 0.4);
}

.data-table tbody tr.new-row {
  animation: highlightRow 2s ease-out;
}

@keyframes highlightRow {
  0% { background-color: rgba(59, 130, 246, 0.35); }
  100% { background-color: transparent; }
}

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

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
}

.badge-200 { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-400, .badge-401 { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-500, .badge-502 { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.3); }

.method-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  margin-right: 0.4rem;
}

.method-POST { background: #3b2a5a; color: #c084fc; }
.method-GET { background: #1e3a5f; color: #38bdf8; }
.method-OPTIONS { background: #233147; color: #94a3b8; }

.ip-pill {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-cyan);
}

.geo-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.flag {
  font-size: 1rem;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1.5rem;
}

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

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  animation: modalIn 0.18s ease-out;
}

.modal-sm {
  max-width: 520px;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}
.close-btn:hover { color: white; }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background-color: rgba(17, 24, 39, 0.4);
}

.detail-section {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}

.detail-section h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1.25rem;
}

.col-span-2 {
  grid-column: span 2;
}

.info-row {
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
  padding-bottom: 0.3rem;
}

.info-row .k {
  color: var(--text-dim);
}

.info-row .v {
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: right;
  word-break: break-all;
}

.code-block {
  background-color: #080c14;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  max-height: 180px;
  overflow-y: auto;
  font-size: 0.75rem;
  color: #a5f3fc;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Forms in modals */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.quick-ips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.tag-btn {
  background-color: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}
.tag-btn:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); }

.input-with-button {
  display: flex;
  gap: 0.5rem;
}

.lookup-results {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.lookup-item strong {
  color: var(--text-dim);
  display: inline-block;
  width: 130px;
}

.lookup-item span {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Footer */
.app-footer {
  text-align: center;
  padding: 1.5rem 0;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}