@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #0b0e14;
  --surface: #131826;
  --surface-raised: #171d2e;
  --border: #232a3d;
  --text: #e6e9f0;
  --text-muted: #8890a4;
  --vps4: #4f8ef7;
  --vps4-dim: #4f8ef71a;
  --vps8: #9b6bff;
  --vps8-dim: #9b6bff1a;
  --success: #33d17a;
  --warning: #f5a623;
  --danger: #ff5c5c;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
}

h1, h2, h3 { font-family: 'Space Grotesk', 'Inter', sans-serif; margin: 0; }

.mono { font-family: 'JetBrains Mono', monospace; }

/* ---------- Login screen ---------- */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.login-card h1 {
  font-size: 22px;
  margin-bottom: 4px;
}

.login-card p {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 24px;
}

.field { margin-bottom: 16px; }

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

.field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.field input:focus {
  outline: none;
  border-color: var(--vps4);
}

button.primary {
  width: 100%;
  padding: 11px;
  background: var(--vps4);
  border: none;
  border-radius: 8px;
  color: #06090f;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}

button.primary:hover { filter: brightness(1.08); }
button.primary:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 12px;
  min-height: 16px;
}

/* ---------- App shell ---------- */
#app { display: none; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 18px; }

.topbar .who {
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar button.logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}

.topbar button.logout:hover { color: var(--text); border-color: var(--text-muted); }

/* Server switcher — the signature element: a breaker-panel style toggle */
.switcher {
  display: flex;
  gap: 4px;
  padding: 24px 28px 0;
}

.switcher button {
  flex: 1;
  max-width: 220px;
  padding: 14px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  position: relative;
  transition: background 0.15s;
}

.switcher button .name {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}

.switcher button .subtitle {
  display: block;
  font-size: 11px;
  margin-top: 2px;
}

.switcher button::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: transparent;
}

.switcher button.active { background: var(--surface-raised); color: var(--text); }
.switcher button[data-server="vps4"].active::before { background: var(--vps4); }
.switcher button[data-server="vps8"].active::before { background: var(--vps8); }

.switcher button .dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--text-muted);
}
.switcher button .dot.up { background: var(--success); }
.switcher button .dot.down { background: var(--danger); }

main {
  padding: 20px 28px 48px;
  background: var(--surface-raised);
  border-top: 1px solid var(--border);
}

.server-error {
  display: none;
  background: #2a1414;
  border: 1px solid var(--danger);
  color: #ffb4b4;
  padding: 14px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 13px;
}

section { margin-bottom: 28px; }

section > h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card .value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 600;
}

.card .sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.bar-row { margin-bottom: 14px; }
.bar-row:last-child { margin-bottom: 0; }

.bar-row .bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.bar-row .bar-label .pct { font-family: 'JetBrains Mono', monospace; color: var(--text); }

.bar-track {
  height: 6px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.4s; }
.bar-fill.warn { background: var(--warning); }
.bar-fill.crit { background: var(--danger); }

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.list-row:last-child { border-bottom: none; }

.status-pill {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 20px;
  font-weight: 600;
}
.status-pill.up { background: #133a26; color: var(--success); }
.status-pill.down { background: #3a1313; color: var(--danger); }

.log-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}
.log-line.error { color: #ff8f8f; }
.log-line.warning { color: var(--warning); }
.log-line:last-child { border-bottom: none; }

.log-panel {
  max-height: 320px;
  overflow-y: auto;
}

.empty-note {
  color: var(--text-muted);
  font-size: 13px;
  padding: 12px 0;
}

.loading-note {
  color: var(--text-muted);
  font-size: 13px;
  padding: 40px 0;
  text-align: center;
}