:root {
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --text-dim: #9aa3b2;
  --accent: #4f8cff;
  --accent-hover: #3d77e6;
  --success: #34d399;
  --warning: #fbbf24;
  --placeholder: #2a2f3a;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.app-title {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.refresh-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

#last-refresh {
  color: var(--text-dim);
  font-size: 12px;
}

button.refresh-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
button.refresh-btn:hover:not(:disabled) { background: var(--accent-hover); }
button.refresh-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
button.refresh-btn .spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
button.refresh-btn.is-loading .spinner { display: inline-block; }

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

.banner {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-dim);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-dim);
}
.banner.ok { border-left-color: var(--success); }
.banner.error { border-left-color: #f87171; color: #fecaca; }
.banner strong { color: var(--text); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .cards { grid-template-columns: 1fr; }
}

.card.events {
  display: flex;
  flex-direction: column;
}
.card.events .card-body {
  padding: 20px;
  gap: 16px;
}
.events-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.event-metric {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.event-metric.like { border-left: 3px solid var(--success); }
.event-metric.dislike { border-left: 3px solid #f87171; }
.event-metric-label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.event-metric-value {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.event-metric-percent {
  font-size: 12px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-2px); border-color: #3a4150; }

.card.placeholder {
  background: repeating-linear-gradient(
    135deg,
    var(--surface) 0,
    var(--surface) 12px,
    var(--surface-2) 12px,
    var(--surface-2) 24px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  border-style: dashed;
}

.card-gallery {
  position: relative;
  background: #000;
  aspect-ratio: 16/10;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-gallery img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}
.card-gallery img.active { display: block; }

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.card-gallery:hover .gallery-nav { opacity: 1; }
.gallery-nav.prev { left: 8px; }
.gallery-nav.next { right: 8px; }

.gallery-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.gallery-dots .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
}
.gallery-dots .dot.active { background: #fff; }

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.card-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
}

.card-meta {
  display: flex;
  gap: 10px;
  font-size: 11px;
  color: var(--text-dim);
}
.card-meta a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--text-dim);
}
.card-meta a:hover { color: var(--text); border-color: var(--text); }

.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.metric {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.metric-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  font-size: 10px;
  cursor: help;
  color: var(--text-dim);
  position: relative;
  text-transform: none;
  font-weight: normal;
}
.metric-info:hover { color: var(--accent); }
.metric-info[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  color: #fff;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: normal;
  letter-spacing: normal;
  text-transform: none;
  white-space: normal;
  width: 260px;
  line-height: 1.45;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  pointer-events: none;
}
.metric-info[data-tooltip]:hover::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #000;
  z-index: 100;
}
.metric-value {
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.metric-value.dim { color: var(--text-dim); font-size: 16px; }

.card-footer {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.responses {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0;
}
.responses-summary {
  cursor: pointer;
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.responses-summary::-webkit-details-marker { display: none; }
.responses-summary::before {
  content: "▸";
  font-size: 9px;
  color: var(--text-dim);
  transition: transform 0.15s ease;
  display: inline-block;
}
.responses[open] .responses-summary::before {
  transform: rotate(90deg);
}
.responses-summary:hover { color: var(--accent); }

.responses-list {
  list-style: none;
  margin: 0;
  padding: 0 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.response-item {
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.response-date {
  font-size: 10px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  margin-bottom: 2px;
}
.response-text {
  font-size: 12px;
  color: var(--text);
  line-height: 1.4;
  word-break: break-word;
}

.tooltip {
  position: relative;
}
.tooltip[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: #000;
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 10;
}

@media (max-width: 600px) {
  .page { padding: 20px 14px 48px; }
  .app-title { font-size: 18px; }
  .cards { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric-value { font-size: 17px; }
}