.channel-catalog [hidden] { display: none !important; }

.channel-filters {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  align-items: end;
  gap: 12px;
}

.channel-field { min-width: 0; }
.channel-field label {
  display: block;
  margin-bottom: 8px;
  color: var(--guide-muted);
  font-size: 13px;
  font-weight: 500;
}

.channel-field input,
.channel-field select {
  width: 100%;
  height: 44px;
  min-width: 0;
  padding: 0 12px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: var(--guide-surface);
  color: var(--guide-text);
  font: inherit;
  font-size: 16px;
}

.channel-field input::placeholder { color: var(--guide-muted); }
.channel-field input:focus,
.channel-field select:focus {
  border-color: var(--guide-accent);
  outline: 2px solid var(--accent-glow);
  outline-offset: 1px;
}

.channel-reset {
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: transparent;
  color: var(--guide-muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.channel-reset:hover { border-color: var(--guide-accent); color: var(--guide-text); }
.channel-reset:focus-visible { outline: 2px solid var(--guide-accent); outline-offset: 3px; }
.channel-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  margin: 8px 0 24px;
}
.channel-summary {
  min-height: 20px;
  margin: 0;
  color: var(--guide-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.channel-group { margin: 0 0 32px; }
.channel-group-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 0 12px;
  border-bottom: 2px solid var(--guide-line-strong);
}

.channel-group-heading h2 {
  min-width: 0;
  margin: 0;
  color: var(--guide-text);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.channel-group-count {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--guide-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.channel-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.channel-item {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 0;
  border-bottom: 1px solid var(--guide-line);
  color: var(--guide-text);
  font-size: 15px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.channel-empty {
  padding: 32px 0;
  border-top: 1px solid var(--guide-line);
  text-align: center;
}
.channel-empty h2 { margin: 0 0 8px; font-size: 20px; }
.channel-empty p { color: var(--guide-muted); font-size: 15px; line-height: 1.5; }

@media (max-width: 760px) {
  .channel-filters { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .channel-list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; }
}

@media (max-width: 480px) {
  .channel-filters { grid-template-columns: minmax(0, 1fr); }
  .channel-list { grid-template-columns: minmax(0, 1fr); }
  .channel-group-heading h2 { font-size: 18px; }
}

@media print {
  .channel-catalog .channel-filters,
  .channel-catalog .channel-reset,
  .channel-catalog .channel-empty { display: none !important; }
  .channel-summary { margin: 0 0 10px; color: #555; }
  .channel-group { margin-bottom: 16px; }
  .channel-group-heading { break-after: avoid; padding-bottom: 6px; }
  .channel-group-heading h2 { color: #111; font-size: 13px; }
  .channel-group-count { color: #555; }
  .channel-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .channel-item { min-height: 0; padding: 5px 0; color: #111; font-size: 10px; break-inside: avoid; }
}