/* ── CSS Variables ─────────────────────────────────────────────────────────── */
:root {
  --bg:          #f4f5f7;
  --bg-card:     #ffffff;
  --bg-header:   #1e2330;
  --bg-summary:  #ffffff;
  --text:        #1a1d23;
  --text-muted:  #6b7280;
  --text-header: #ffffff;
  --border:      #e5e7eb;
  --shadow:      0 1px 3px rgba(0,0,0,0.08);

  --green:   #16a34a;
  --green-bg:#dcfce7;
  --amber:   #d97706;
  --amber-bg:#fef3c7;
  --red:     #dc2626;
  --red-bg:  #fee2e2;
  --blue:    #2563eb;

  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg:          #0f1117;
  --bg-card:     #1a1d27;
  --bg-header:   #0a0c12;
  --bg-summary:  #1a1d27;
  --text:        #e5e7eb;
  --text-muted:  #9ca3af;
  --text-header: #e5e7eb;
  --border:      #2d3144;
  --shadow:      0 1px 4px rgba(0,0,0,0.4);

  --green-bg:#052e16;
  --amber-bg:#451a03;
  --red-bg:  #450a0a;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

/* ── Header ────────────────────────────────────────────────────────────────── */
header {
  background: var(--bg-header);
  color: var(--text-header);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.header-left  { display: flex; align-items: center; gap: 16px; }
.header-right { display: flex; align-items: center; gap: 8px; }

.last-updated {
  font-size: 0.75rem;
  color: #9ca3af;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn-primary {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}
.btn-primary:hover { opacity: 0.9; }

.btn-secondary {
  background: transparent;
  color: var(--text-header);
  border: 1px solid #4b5563;
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}
.btn-secondary:hover { border-color: #9ca3af; }

.btn-icon {
  background: transparent;
  color: var(--text-header);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: 4px;
}
.btn-icon:hover { background: rgba(255,255,255,0.1); }

/* ── Summary Bar ───────────────────────────────────────────────────────────── */
.summary-bar {
  background: var(--bg-summary);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0;
}

.summary-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 8px;
  border-right: 1px solid var(--border);
}
.summary-item:last-child { border-right: none; }

.summary-count {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}
.summary-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-top: 3px;
}

.summary-item.healthy .summary-count { color: var(--green); }
.summary-item.warning .summary-count { color: var(--amber); }
.summary-item.error   .summary-count { color: var(--red); }

/* ── Server Grid ───────────────────────────────────────────────────────────── */
.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 16px;
  padding: 20px;
  max-width: 1600px;
  margin: 0 auto;
}

.loading {
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
  grid-column: 1/-1;
  font-size: 0.9rem;
}

/* ── Server Card ───────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  gap: 12px;
}
.card-header:hover { background: rgba(0,0,0,0.02); }
[data-theme="dark"] .card-header:hover { background: rgba(255,255,255,0.03); }

.card-title {
  flex: 1;
  min-width: 0;
}
.card-name {
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-meta {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-healthy { background: var(--green-bg); color: var(--green); }
.badge-warning { background: var(--amber-bg); color: var(--amber); }
.badge-error   { background: var(--red-bg);   color: var(--red); }

.chevron {
  font-size: 0.6rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.card.expanded .chevron { transform: rotate(180deg); }

/* ── Card Body ─────────────────────────────────────────────────────────────── */
.card-body {
  display: none;
  border-top: 1px solid var(--border);
}
.card.expanded .card-body { display: block; }

.card-section {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.card-section:last-child { border-bottom: none; }

.section-title {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ── System Stats ──────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.stat-item { display: flex; flex-direction: column; gap: 2px; }
.stat-label { font-size: 0.68rem; color: var(--text-muted); }
.stat-value { font-size: 0.85rem; font-weight: 500; }
.stat-value.warn { color: var(--amber); }
.stat-value.err  { color: var(--red); }

/* ── Services ──────────────────────────────────────────────────────────────── */
.service-list { display: flex; flex-direction: column; gap: 5px; }
.service-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-green  { background: var(--green); }
.dot-amber  { background: var(--amber); }
.dot-red    { background: var(--red); }
.service-name { flex: 1; }
.service-status { color: var(--text-muted); font-size: 0.75rem; }
.service-uptime { color: var(--text-muted); font-size: 0.73rem; margin-left: auto; }

/* ── Volumes ───────────────────────────────────────────────────────────────── */
.volume-list { display: flex; flex-direction: column; gap: 8px; }
.volume-row { display: flex; flex-direction: column; gap: 4px; }
.volume-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}
.volume-drive { font-weight: 500; }
.volume-sizes { color: var(--text-muted); font-size: 0.75rem; }
.vol-bar-bg {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.vol-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}
.vol-green { background: var(--green); }
.vol-amber { background: var(--amber); }
.vol-red   { background: var(--red); }

/* ── Events ────────────────────────────────────────────────────────────────── */
.event-list { display: flex; flex-direction: column; gap: 4px; }
.event-row {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: start;
  gap: 6px;
  font-size: 0.75rem;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}
.event-row:last-child { border-bottom: none; }
.event-level {
  font-weight: 600;
  font-size: 0.68rem;
  padding: 1px 5px;
  border-radius: 3px;
  white-space: nowrap;
}
.level-error       { background: var(--red-bg);   color: var(--red); }
.level-warning     { background: var(--amber-bg); color: var(--amber); }
.level-information { background: var(--green-bg); color: var(--green); }
.event-id     { color: var(--text-muted); white-space: nowrap; }
.event-msg    { color: var(--text); word-break: break-word; }
.event-time   { color: var(--text-muted); white-space: nowrap; }

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
}
.modal.hidden { display: none; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 640px;
  max-width: 95vw;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-card);
}
.modal-header h2 { font-size: 1rem; font-weight: 600; }
.modal-header .btn-icon { color: var(--text); }

.deleted-list { padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }

.deleted-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
}
.deleted-name { font-weight: 600; font-size: 0.9rem; }
.deleted-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── Delete button on cards ────────────────────────────────────────────────── */
.btn-delete {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.72rem;
  cursor: pointer;
}
.btn-delete:hover { border-color: var(--red); color: var(--red); }

/* ── No data ───────────────────────────────────────────────────────────────── */
.no-data { color: var(--text-muted); font-size: 0.8rem; font-style: italic; }