@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600&display=swap');

:root {
  --bg: #0b1116;
  --card: #111821;
  --accent: #3bd1a7;
  --text: #e6edf3;
  --muted: #9aa4ad;
  --border: #22303b;
  --danger: #ff5c5c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0f1720, #0b1116 60%);
  color: var(--text);
}

header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #0f1820, #0b1116);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 11px;
  color: var(--muted);
}

header h1 {
  margin: 4px 0 0;
  font-size: 26px;
}

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

.tab-nav {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}

.tab-button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.tab-button.active {
  background: var(--accent);
  color: #0b1116;
  border-color: transparent;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

main {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.login-card {
  max-width: 420px;
  margin: 40px auto;
}

.error-text {
  color: var(--danger);
  margin-top: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.metric {
  background: #0f161d;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.metric-label {
  color: var(--muted);
  font-size: 12px;
}

.metric-value {
  font-size: 16px;
  margin-top: 6px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.table th,
.table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

.table td button + button {
  margin-left: 6px;
}

.badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}

.badge.ok {
  background: rgba(59, 209, 167, 0.15);
  color: var(--accent);
}

.badge.warn {
  background: rgba(255, 204, 0, 0.15);
  color: #ffcc00;
}

.badge.bad {
  background: rgba(255, 92, 92, 0.2);
  color: var(--danger);
}

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


input, button {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f161d;
  color: var(--text);
  padding: 8px 10px;
}

select {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f161d;
  color: var(--text);
  padding: 8px 10px;
}

textarea.code-area {
  width: 100%;
  min-height: 120px;
  background: #0b1116;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  font-family: "Consolas", "Courier New", monospace;
  margin-top: 10px;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.config-group h3 {
  margin: 14px 0 6px;
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.config-item {
  background: #0f161d;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

.config-item label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.config-item input[type="text"],
.config-item input[type="number"] {
  width: 100%;
}

.config-item input[type="range"] {
  width: 100%;
}

.range-value {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 44px;
  height: 24px;
  margin: 0;
}

.switch-slider {
  position: relative;
  cursor: pointer;
  width: 44px;
  height: 24px;
  background-color: #0b1116;
  border: 1px solid var(--border);
  transition: 0.2s;
  border-radius: 999px;
  display: inline-block;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 2px;
  background-color: var(--muted);
  transition: 0.2s;
  border-radius: 50%;
}

.switch input:checked + .switch-slider {
  background-color: rgba(59, 209, 167, 0.2);
  border-color: var(--accent);
}

.switch input:checked + .switch-slider:before {
  transform: translateX(19px);
  background-color: var(--accent);
}

.switch-label {
  margin-left: 8px;
  color: var(--text);
  font-size: 13px;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.details-card {
  background: #0f161d;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

.details-card h4 {
  margin: 0 0 6px;
  font-size: 14px;
}

.details-card .field {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px;
  align-items: center;
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.details-card .field:first-of-type {
  border-top: none;
}

.details-card .field-label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.details-card .field-value {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 12px;
  word-break: break-all;
}

.shimmer {
  position: relative;
  display: inline-block;
  min-width: 120px;
  height: 12px;
  background: #0c1219;
  border-radius: 999px;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0% { left: -40%; }
  100% { left: 140%; }
}

.vrf-panel {
  margin-top: 12px;
  background: #0f161d;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.vrf-panel h4 {
  margin: 0 0 8px;
  font-size: 14px;
}

.vrf-slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.vrf-slot {
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1116;
  font-size: 11px;
  text-align: center;
}

.vrf-slot button {
  margin-top: 6px;
  font-size: 11px;
  padding: 4px 8px;
}

.vrf-slot.ready {
  border-color: rgba(59, 209, 167, 0.5);
  color: var(--accent);
}

.vrf-slot.pending {
  border-color: rgba(255, 204, 0, 0.5);
  color: #ffcc00;
}

.vrf-slot.empty {
  border-color: rgba(255, 92, 92, 0.4);
  color: var(--danger);
}

.vrf-slot.fetching {
  border-color: rgba(255, 204, 0, 0.5);
  color: #ffcc00;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.modal-actions button {
  min-width: 140px;
}

.settings-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.action-group {
  background: #0f161d;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
}

.action-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.server-title {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0f161d;
  font-weight: 600;
  color: var(--text);
}

.server-title-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.server-title-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
}

.server-title {
  font-size: 18px;
}

.alias-edit {
  display: flex;
  gap: 8px;
  align-items: center;
}

.alias-edit input {
  flex: 1;
  min-width: 200px;
}

.config-item.compact {
  max-width: 240px;
}

button {
  background: var(--accent);
  border: none;
  color: #0b1116;
  font-weight: 600;
  cursor: pointer;
}

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

.env-grid {
  display: grid;
  gap: 10px;
}

.env-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #0f161d;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.env-row code {
  background: #0b1116;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 12px;
}

.note {
  color: var(--muted);
  margin-top: 8px;
}

.hidden {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 12, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-content {
  width: min(960px, 95vw);
  max-height: 90vh;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.modal-content {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.modal-content::-webkit-scrollbar {
  width: 8px;
}

.modal-content::-webkit-scrollbar-track {
  background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
  background: #1b2733;
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.confirm-body {
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 12px;
}

.modal-section {
  display: none;
}

.modal-section.active {
  display: block;
}