:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --border: #2d3f56;
  --text: #e8eef7;
  --muted: #8fa3bf;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --danger: #f87171;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(74, 222, 128, 0.08), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.08), transparent 35%),
    var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.brand { text-align: center; margin-bottom: 1.5rem; }
.brand h1 { margin: 0.5rem 0 0.25rem; font-size: 1.5rem; }
.brand p, .muted { color: var(--muted); margin: 0; }

.brand-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  border-radius: 12px;
  color: var(--accent);
  font-size: 1.5rem;
}

.brand-icon-sm { color: var(--accent); margin-right: 0.35rem; }

label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-size: 0.875rem;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  resize: vertical;
  font-family: inherit;
}

input:focus, textarea:focus {
  outline: 2px solid rgba(74, 222, 128, 0.35);
  border-color: var(--accent-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn:hover { filter: brightness(1.08); }

.btn-primary {
  width: 100%;
  margin-top: 1.25rem;
  background: var(--accent-dim);
  border-color: transparent;
  color: #052e16;
  font-weight: 600;
}

.btn-primary-inline {
  background: var(--accent-dim);
  border-color: transparent;
  color: #052e16;
  font-weight: 600;
}

.btn-ghost {
  background: transparent;
}

.btn-sm {
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
}

.btn-danger {
  border-color: rgba(248, 113, 113, 0.35);
  color: var(--danger);
}

.error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

.hidden { display: none !important; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(26, 35, 50, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
}

.tab {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
}

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

.tab.active {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.summary-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.summary-card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}

.summary-stat {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

.loading, .empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}

.servers {
  display: grid;
  gap: 1rem;
}

.server-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.server-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.server-header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.server-total {
  font-weight: 700;
  color: var(--accent);
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.85rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

td.num { font-variant-numeric: tabular-nums; }

.actions {
  display: flex;
  gap: 0.5rem;
  white-space: nowrap;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-header h2 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}

.keys-list {
  display: grid;
  gap: 0.75rem;
}

.key-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.key-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.key-notes {
  margin: 0;
  font-size: 0.875rem;
}

.key-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  font-size: 0.8rem;
}

.key-meta code {
  background: var(--bg);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.85rem;
}

.dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 1.5rem;
  max-width: 480px;
  width: calc(100% - 2rem);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.dialog h3 {
  margin: 0 0 0.5rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.key-reveal {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.key-reveal code {
  flex: 1;
  word-break: break-all;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .summary-card, .server-header, .key-card, .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .key-meta {
    align-items: flex-start;
  }

  .topbar-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}