@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&display=swap');

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

:root {
  --bg: #0d0d11;
  --surface: rgba(255,255,255,0.035);
  --surface-active: rgba(74,222,128,0.06);
  --border: rgba(255,255,255,0.07);
  --border-active: rgba(74,222,128,0.35);
  --text-primary: #e8e8f0;
  --text-secondary: #5a5a72;
  --text-mono: #a0a0c0;
  --green: #4ade80;
  --green-glow: rgba(74,222,128,0.4);
  --green-dim: rgba(74,222,128,0.15);
}

html { font-size: 14px; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13,13,17,0.85);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.header-left { display: flex; align-items: center; gap: 10px; }

.logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  animation: pulse-logo 2.5s ease-in-out infinite;
}
@keyframes pulse-logo {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

.logo-text {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--text-secondary);
}

.header-right { display: flex; align-items: center; gap: 20px; }

.active-badge {
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}
.active-badge #active-count { color: var(--green); font-weight: 500; }

.update-time {
  font-size: 11px;
  color: rgba(90,90,114,0.6);
  letter-spacing: 0.03em;
}

/* ── Main ── */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 32px 80px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.section { display: flex; flex-direction: column; gap: 16px; }

.section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(90,90,114,0.7);
  padding-left: 2px;
}

/* ── Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

/* ── Card ── */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 20px 16px;
  overflow: hidden;
  transition: border-color 0.4s ease, background 0.4s ease, box-shadow 0.4s ease;
}

.card.active {
  background: var(--surface-active);
  border-color: var(--border-active);
  box-shadow: 0 0 24px var(--green-dim), inset 0 1px 0 rgba(74,222,128,0.1);
}

/* Progress bar at bottom */
.card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  border-radius: 0 0 12px 12px;
  opacity: 0;
  transition: opacity 0.4s;
}
.card.active::after {
  opacity: 1;
  width: 100%;
  animation: bar-slide 2.4s ease-in-out infinite;
}
@keyframes bar-slide {
  0%   { transform: translateX(-100%); opacity: 0.6; }
  50%  { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0.6; }
}

/* Card header */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-name {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 12.5px;
  color: var(--text-mono);
  letter-spacing: 0.02em;
  transition: color 0.3s;
  word-break: break-all;
  line-height: 1.4;
}
.card.active .card-name { color: rgba(200,255,220,0.9); }

/* Indicator dot */
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(90,90,114,0.4);
  flex-shrink: 0;
  margin-top: 3px;
  transition: background 0.4s, box-shadow 0.4s;
  position: relative;
}
.card.active .dot {
  background: var(--green);
  box-shadow: 0 0 0 0 var(--green-glow);
  animation: pulse-dot 2s ease-out infinite;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(74,222,128,0.6); }
  70%  { box-shadow: 0 0 0 7px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}

/* Card meta */
.card-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: var(--text-secondary);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.3s, transform 0.3s;
}
.card.active .meta-row { opacity: 1; transform: none; }

.meta-label { color: rgba(90,90,114,0.5); }
.meta-val   { color: rgba(160,200,160,0.8); font-variant-numeric: tabular-nums; }

/* Status pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 12px;
  transition: color 0.3s;
}
.card.active .status-pill { color: rgba(74,222,128,0.7); }

/* Spinner (only visible when active) */
.spinner {
  width: 10px; height: 10px;
  border: 1.5px solid rgba(90,90,114,0.3);
  border-top-color: transparent;
  border-radius: 50%;
  display: none;
}
.card.active .spinner {
  display: block;
  border-color: rgba(74,222,128,0.3);
  border-top-color: transparent;
  animation: spin 0.9s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error state */
.card.error { border-color: rgba(239,68,68,0.3); }
.card.error .dot { background: rgba(239,68,68,0.5); }

/* Responsive */
@media (max-width: 600px) {
  .header { padding: 16px 20px; }
  .main   { padding: 28px 20px 60px; }
  .grid   { grid-template-columns: 1fr 1fr; gap: 10px; }
}