/* TASFUL トラブルセンター（運営） */
.support-trouble-page {
  --st-bg: #0f1419;
  --st-panel: #1a2332;
  --st-border: #2d3a4f;
  --st-text: #e8eef7;
  --st-muted: #94a3b8;
  --st-accent: #f97316;
  --st-danger: #ef4444;
  --st-warn: #f59e0b;
  --st-ok: #22c55e;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  background: var(--st-bg);
  color: var(--st-text);
  min-height: 100vh;
  margin: 0;
}

.support-trouble-app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

.support-trouble-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--st-border);
}

.support-trouble-header h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.support-trouble-header p {
  margin: 0.35rem 0 0;
  color: var(--st-muted);
  font-size: 0.875rem;
}

.support-trouble-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.15);
  color: #fecaca;
  font-size: 0.8125rem;
  font-weight: 700;
}

.support-trouble-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
}

@media (max-width: 900px) {
  .support-trouble-layout {
    grid-template-columns: 1fr;
  }
}

.support-trouble-filters {
  background: var(--st-panel);
  border: 1px solid var(--st-border);
  border-radius: 12px;
  padding: 0.75rem;
}

.support-trouble-filters h2 {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--st-muted);
}

.support-trouble-filter-btn {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.65rem;
  margin-bottom: 0.25rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--st-text);
  font-size: 0.875rem;
  cursor: pointer;
  text-align: left;
}

.support-trouble-filter-btn:hover,
.support-trouble-filter-btn.is-active {
  background: rgba(249, 115, 22, 0.12);
  color: #fdba74;
}

.support-trouble-filter-count {
  font-size: 0.75rem;
  color: var(--st-muted);
  font-weight: 600;
}

.support-trouble-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 1rem;
  min-height: 520px;
}

@media (max-width: 1100px) {
  .support-trouble-main {
    grid-template-columns: 1fr;
  }
}

.support-trouble-list,
.support-trouble-detail {
  background: var(--st-panel);
  border: 1px solid var(--st-border);
  border-radius: 12px;
  overflow: hidden;
}

.support-trouble-list__head,
.support-trouble-detail__head {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--st-border);
  font-weight: 700;
  font-size: 0.9rem;
}

.support-trouble-ticket-row {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-bottom: 1px solid var(--st-border);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.support-trouble-ticket-row:hover,
.support-trouble-ticket-row.is-selected {
  background: rgba(255, 255, 255, 0.04);
}

.support-trouble-ticket-row__title {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.support-trouble-ticket-row__meta {
  font-size: 0.75rem;
  color: var(--st-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.support-trouble-tag {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
}

.support-trouble-tag--low { background: #334155; color: #cbd5e1; }
.support-trouble-tag--medium { background: #422006; color: #fcd34d; }
.support-trouble-tag--high { background: #450a0a; color: #fca5a5; }
.support-trouble-tag--critical { background: #7f1d1d; color: #fecaca; }

.support-trouble-detail__body {
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.support-trouble-detail__section {
  margin-bottom: 1rem;
}

.support-trouble-detail__section h3 {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  color: var(--st-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.support-trouble-detail__pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.65rem;
  border-radius: 8px;
  margin: 0;
  font-size: 0.8125rem;
}

.support-trouble-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1rem 1rem;
}

.support-trouble-btn {
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--st-border);
  background: #243044;
  color: var(--st-text);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

.support-trouble-btn:hover {
  border-color: var(--st-accent);
}

.support-trouble-btn--primary {
  background: var(--st-accent);
  border-color: var(--st-accent);
  color: #fff;
}

.support-trouble-btn--danger {
  border-color: var(--st-danger);
  color: #fecaca;
}

.support-trouble-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--st-muted);
  font-size: 0.875rem;
}

.support-trouble-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.support-trouble-modal[hidden] {
  display: none;
}

.support-trouble-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
}

.support-trouble-modal__panel {
  position: relative;
  max-width: 440px;
  width: 100%;
  background: var(--st-panel);
  border: 1px solid var(--st-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.support-trouble-modal__panel h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.support-trouble-modal__panel p {
  margin: 0 0 1rem;
  color: var(--st-muted);
  font-size: 0.875rem;
}

.support-trouble-modal__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.support-trouble-notify-bar {
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(239, 68, 68, 0.12);
  border-radius: 8px;
  font-size: 0.8125rem;
}

.support-trouble-back {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--st-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.support-trouble-back:hover {
  color: var(--st-accent);
}

.support-trouble-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.45rem;
  font-size: 0.75rem;
  color: var(--st-muted);
}

.support-trouble-crumb__link {
  color: var(--st-muted);
  text-decoration: none;
  font-weight: 600;
}

.support-trouble-crumb__link:hover {
  color: var(--st-accent);
}

.support-trouble-crumb__sep {
  opacity: 0.55;
  font-size: 0.6875rem;
}

.support-trouble-crumb__current {
  color: var(--st-text);
  font-weight: 700;
}

.support-trouble-origin {
  margin: 0.35rem 0 0.45rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--st-border);
  background: rgba(15, 23, 42, 0.45);
}

.support-trouble-origin--compact {
  margin: 0.25rem 0 0.35rem;
  padding: 0.35rem 0.45rem;
}

.support-trouble-origin__line {
  margin: 0;
  font-size: 0.6875rem;
  line-height: 1.45;
  color: var(--st-text);
}

.support-trouble-origin--compact .support-trouble-origin__line {
  display: inline;
}

.support-trouble-origin--compact .support-trouble-origin__line + .support-trouble-origin__line::before {
  content: " · ";
  color: var(--st-muted);
}

.support-trouble-origin__label {
  color: var(--st-muted);
  font-weight: 700;
  margin-right: 0.15rem;
}

.support-trouble-detail__section--origin {
  margin-bottom: 0.85rem;
}