:root {
  color-scheme: dark;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  --muted: var(--tg-theme-hint-color, #8e8e93);
  --bg: var(--tg-theme-bg-color, #0f0f0f);
  --text: var(--tg-theme-text-color, #ffffff);
  --sec: var(--tg-theme-secondary-bg-color, #1c1c1e);
  --btn: var(--tg-theme-button-color, #2ea6ff);
  --btn-text: var(--tg-theme-button-text-color, #ffffff);
  --link: var(--tg-theme-link-color, #2ea6ff);
  --ok: #34c759;
  --bad: #ff3b30;
  --warn: #ff9f0a;
  --touch: 44px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.screen {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px 32px;
  padding-bottom: calc(32px + env(safe-area-inset-bottom, 0));
}

.hidden {
  display: none !important;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  padding: 12px 0 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 25%, transparent);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.header-sub {
  margin: 6px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.icon-btn {
  min-width: var(--touch);
  min-height: var(--touch);
  width: var(--touch);
  height: var(--touch);
  border: 0;
  border-radius: 50%;
  background: var(--sec);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 14px 0 16px;
  padding: 4px;
  background: var(--sec);
  border-radius: var(--radius-sm);
}

.tab {
  min-height: var(--touch);
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.tab.active {
  background: var(--btn);
  color: var(--btn-text);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0.5;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.summary-card {
  background: var(--sec);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  margin-bottom: 14px;
}

.summary-value {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
}

.summary-label {
  margin-top: 6px;
  font-size: 0.95rem;
}

.summary-meta {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.btn {
  min-height: var(--touch);
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  flex: 1;
}

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

.btn.toggle {
  background: var(--sec);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--muted) 30%, transparent);
}

.btn.toggle.on {
  background: color-mix(in srgb, var(--ok) 18%, var(--sec));
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 35%, transparent);
}

.btn.danger {
  background: color-mix(in srgb, var(--bad) 18%, var(--sec));
  color: var(--bad);
}

.btn.full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.card-grid {
  display: grid;
  gap: 12px;
}

.server-card,
.actions-card {
  background: var(--sec);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.server-card.loading {
  opacity: 0.65;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.card-top h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.card-ip {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

.pill {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.pill.ok {
  background: color-mix(in srgb, var(--ok) 22%, transparent);
  color: var(--ok);
}

.pill.bad {
  background: color-mix(in srgb, var(--bad) 22%, transparent);
  color: var(--bad);
}

.pill.warn {
  background: color-mix(in srgb, var(--warn) 22%, transparent);
  color: var(--warn);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  font-size: 0.92rem;
}

.stat-row strong {
  font-size: 1rem;
}

.bar-wrap {
  height: 8px;
  background: color-mix(in srgb, var(--muted) 25%, transparent);
  border-radius: 4px;
  overflow: hidden;
  margin: 4px 0 10px;
}

.bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--btn), color-mix(in srgb, var(--btn) 60%, #6c5ce7));
  transition: width 0.35s ease;
}

.bar-fill.warn {
  background: linear-gradient(90deg, var(--warn), #ffb340);
}

.bar-fill.bad {
  background: linear-gradient(90deg, var(--bad), #ff6b6b);
}

.meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 6px;
}

.btn-restart {
  margin-top: 12px;
  width: 100%;
  min-height: var(--touch);
  border: 0;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bad) 14%, transparent);
  color: var(--bad);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
}

.actions-card h2 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.muted {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0 0 14px;
}

.error-msg {
  color: var(--bad);
  font-size: 0.9rem;
  margin: 12px 0;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bad) 12%, transparent);
}

.log {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--sec) 80%, #000);
  color: var(--text);
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 240px;
  overflow-y: auto;
}

.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--muted);
}

.empty-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
}

.skeleton {
  height: 148px;
  border-radius: var(--radius);
  background: linear-gradient(
    90deg,
    var(--sec) 25%,
    color-mix(in srgb, var(--text) 6%, var(--sec)) 50%,
    var(--sec) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.telemt-mask {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--link) 14%, transparent);
  color: var(--link);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 8px 0;
}

@media (max-width: 360px) {
  .summary-value {
    font-size: 2rem;
  }

  .tab {
    font-size: 0.85rem;
  }
}