/* Page-specific styles for sandbox.html — extends styles.css */

.sb-wrap {
  padding: 24px var(--pad-page);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Start screen */
.start-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.start-card {
  border: 1px solid var(--border-faint);
  background: var(--bg-canvas);
  padding: 40px;
  max-width: 540px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.start-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan 2.4s linear infinite;
}

@keyframes scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.start-card .glyph { display: none; }

.start-card h1 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.start-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.start-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  padding: 16px;
  border: 1px solid var(--border-faint);
  border-radius: 8px;
  background: var(--bg-base);
}

.start-info .info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.start-info .info-item .key {
  color: var(--text-tertiary);
  font-size: 13px;
  min-width: 80px;
}

.start-error {
  margin-top: 16px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--danger);
  border: 1px solid var(--danger-dim);
  border-radius: 6px;
  background: var(--danger-faint);
}

/* Active session */
.session-screen { display: flex; flex-direction: column; gap: 16px; }

.session-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border: 1px solid var(--accent-dim);
  background: var(--bg-canvas);
  position: relative;
  overflow: hidden;
}

.session-topbar::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan 2s linear infinite;
}

.session-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}

.session-status .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}

.session-timer {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text-primary);
  font-feature-settings: 'tnum';
}

.session-topbar .stop-btn {
  margin-left: auto;
}

/* Panels — fill the viewport below nav + topbar without overflow */
.session-screen {
  /* nav 56px + sb-wrap padding-top 24px + sb-wrap padding-bottom 24px */
  height: calc(100vh - 56px - 48px);
  min-height: 560px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.session-panels {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  flex: 1;
  min-height: 0;
}

.browser-panel, .traffic-panel {
  border: 1px solid var(--border-faint);
  background: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-faint);
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-header .panel-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.panel-header .panel-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-left: auto;
}

.panel-header .clear-btn {
  margin-left: auto;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-tertiary);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.panel-header .clear-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* Browser iframe */
.browser-frame-wrapper {
  flex: 1;
  background: #000;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

.neko-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Traffic */
.traffic-filters {
  padding: 8px 16px;
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-faint);
}

.filter-btn {
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-tertiary);
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
}

.filter-btn:hover { color: var(--text-secondary); }
.filter-btn.active {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-faint);
}

.traffic-list {
  flex: 1;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 0;
}

.traffic-list:empty::before {
  content: "Waiting for traffic…";
  display: block;
  padding: 24px 16px;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-style: italic;
}

.traffic-event {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 10px;
  padding: 8px 16px;
  align-items: baseline;
  border-bottom: 1px solid var(--border-faint);
}

.traffic-event:last-child { border-bottom: none; }
.traffic-event:hover { background: var(--bg-surface); }

.traffic-event .event-badge {
  font-size: 9px;
  padding: 2px 6px;
  text-align: center;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-feature-settings: 'tnum';
}

.traffic-event.type-tls .event-badge { color: var(--info); border-color: var(--info-dim); background: var(--info-faint); }
.traffic-event.type-request .event-badge { color: var(--warning); border-color: var(--warning-dim); background: var(--warning-faint); }
.traffic-event.type-response .event-badge { color: var(--text-secondary); }
.traffic-event .event-badge.status-200 { color: var(--accent); border-color: var(--accent-dim); background: var(--accent-faint); }
.traffic-event .event-badge.status-3xx { color: var(--info); border-color: var(--info-dim); }
.traffic-event .event-badge.status-4xx { color: var(--danger); border-color: var(--danger-dim); background: var(--danger-faint); }

.traffic-event .event-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.traffic-event .event-host {
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.traffic-event .event-detail {
  color: var(--text-tertiary);
  font-size: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .session-panels { grid-template-columns: 1fr; height: auto; }
  .browser-panel { min-height: 480px; }
  .traffic-panel { min-height: 320px; }
}