.app-panel {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(24px, 5vw, 48px);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 24px 80px var(--shadow);
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.app-header h2 {
  margin-bottom: 12px;
}

.app-meta {
  display: grid;
  gap: 8px;
  min-width: 150px;
}

.app-meta span {
  display: inline-flex;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  font-weight: 700;
}

.auth-form,
.source-form {
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  background: rgba(0, 0, 0, 0.18);
}

.source-form {
  margin-bottom: 28px;
}

.auth-form label,
.source-form label,
.source-list-card h3,
.inbox-card h3 {
  display: block;
  margin: 0 0 12px;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.source-input-row {
  display: flex;
  gap: 10px;
}

.source-input-row input,
.source-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.source-input-row input {
  min-height: 48px;
  border-radius: 999px;
  padding: 0 16px;
}

.source-form textarea {
  min-height: 140px;
  border-radius: 18px;
  padding: 14px 16px;
  resize: vertical;
}

.source-input-row input:focus,
.source-form textarea:focus {
  outline: 2px solid rgba(215, 255, 100, 0.45);
  outline-offset: 2px;
}

.bulk-actions {
  margin-top: 12px;
}

.form-note,
.empty-state {
  margin: 12px 0 0;
  font-size: 0.92rem;
}

.form-note.is-error {
  color: #ffb4b4;
}

.form-note.is-success {
  color: var(--accent);
}

.app-layout {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 18px;
}

.source-list-card,
.inbox-card {
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  background: rgba(0, 0, 0, 0.16);
}

.source-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  display: grid;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
}

.source-list strong {
  word-break: break-word;
}

.source-list span {
  color: var(--muted);
  font-size: 0.82rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tab {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.tab.is-active {
  color: var(--accent-ink);
  border-color: transparent;
  background: var(--accent);
}

.release-list {
  display: grid;
  gap: 10px;
}

.release-card {
  display: grid;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.release-card header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.release-card h4 {
  margin: 0 0 4px;
  font-size: 1.06rem;
}

.release-card p {
  margin: 0;
  font-size: 0.92rem;
}

.release-date {
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.88rem;
}

.release-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.release-actions button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
}

.release-actions button.primary-action {
  color: var(--accent-ink);
  border-color: transparent;
  background: var(--accent);
}

button[hidden] {
  display: none;
}

@media (max-width: 760px) {
  .app-header,
  .source-input-row,
  .app-layout,
  .release-card header {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .source-input-row {
    display: grid;
  }
}