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

:root {
  --bg: #1a1b26;
  --bg-card: #24283b;
  --bg-hover: #414868;
  --border: #292e42;
  --text: #c0caf5;
  --text-muted: #565f89;
  --accent: #7aa2f7;
  --green: #9ece6a;
  --red: #f7768e;
  --orange: #e0af68;
  --purple: #bb9af7;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hidden { display: none !important; }
.muted { color: var(--text-muted); font-size: 0.85rem; }
.error { color: var(--red); font-size: 0.85rem; margin-top: 0.5rem; }

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

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 340px;
  text-align: center;
}

.login-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.login-card h1 { font-size: 1.3rem; margin-bottom: 1.5rem; font-weight: 600; }

.login-card input {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
}

.login-card input:focus { border-color: var(--accent); }

.login-card button {
  width: 100%;
  padding: 0.7rem;
  margin-top: 1rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.login-card button:hover { opacity: 0.9; }

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.header-left { display: flex; align-items: center; gap: 1rem; }
.header-left h1 { font-size: 1.2rem; font-weight: 600; }
.header-right { display: flex; gap: 0.5rem; }

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1.1rem;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover { color: var(--text); border-color: var(--text-muted); }

/* Main */
main { padding: 1rem 1.5rem; max-width: 1100px; margin: 0 auto; }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  cursor: pointer;
  user-select: none;
}

.card-header:hover { background: rgba(65, 72, 104, 0.3); }
.card-header h2 { font-size: 0.95rem; font-weight: 600; flex: 1; }

.chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.15s;
  display: inline-block;
}

.card.expanded .chevron { transform: rotate(90deg); }

.count {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.card-body { padding: 0 1rem 1rem; }

.card-error {
  color: var(--red);
  font-size: 0.85rem;
  padding: 0.5rem 0;
}

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
thead th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tbody td { padding: 0.5rem 0.6rem; border-bottom: 1px solid rgba(41, 46, 66, 0.5); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(65, 72, 104, 0.15); }

.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.tag-green { background: rgba(158, 206, 106, 0.15); color: var(--green); }
.tag-blue { background: rgba(122, 162, 247, 0.15); color: var(--accent); }
.tag-orange { background: rgba(224, 175, 104, 0.15); color: var(--orange); }
.tag-purple { background: rgba(187, 154, 247, 0.15); color: var(--purple); }
.tag-red { background: rgba(247, 118, 142, 0.15); color: var(--red); }
.tag-muted { background: rgba(86, 95, 137, 0.15); color: var(--text-muted); }

/* Zone / KV expandable items */
.expandable-item {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.expandable-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.expandable-header:hover { background: rgba(65, 72, 104, 0.2); }

.expandable-body {
  padding: 0 0.8rem 0.8rem;
  display: none;
}

.expandable-item.expanded .expandable-body { display: block; }
.expandable-item.expanded .chevron { transform: rotate(90deg); }

/* Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Analytics */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1rem;
}

.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.stat-value { font-size: 1.3rem; font-weight: 600; margin-top: 0.25rem; }

/* Empty state */
.empty { color: var(--text-muted); font-size: 0.85rem; padding: 0.5rem 0; }

/* Responsive */
@media (max-width: 600px) {
  header { padding: 0.75rem 1rem; }
  main { padding: 0.75rem; }
  .login-card { width: 90%; padding: 2rem 1.5rem; }
}