/* Use the App's light and dark surfaces across every web viewport. */
body[data-theme-tone] { color: var(--ink); color-scheme: light; }
body[data-theme-tone="dark"] { color-scheme: dark; }
body[data-theme-tone] .background-layer { background: linear-gradient(var(--background-overlay), var(--background-overlay)), var(--theme-bg-image) center / cover no-repeat; }
body[data-theme-tone] :is(input, textarea, select) { background: var(--card-strong); color: var(--ink); border-color: var(--line); }
body[data-theme-tone] :is(input, textarea)::placeholder { color: var(--muted); opacity: .85; }
body[data-theme-tone] input:disabled { background: var(--theme-soft); }
body[data-theme-tone] .primary { color: var(--on-accent); }
body[data-theme-tone] :is(.mini-button:not(.danger):not(.relation-button), .ghost, .overview-card, .table-row, .status-item, .candidate-card, .prompt-disclosure, .comment-card, .advanced-panel, .keyboard-help) { background: var(--theme-soft); border-color: var(--line); color: var(--ink); }
body[data-theme-tone] :is(.secondary, .segment) { background: var(--theme-soft); color: var(--accent-strong); }
body[data-theme-tone] .segment.is-active { background: var(--accent); color: var(--on-accent); }
body[data-theme-tone] .assist-card { background: var(--assist-surface); }
body[data-theme-tone] .candidate-preview { background: var(--card-strong); color: var(--ink); }
body[data-theme-tone] .upload-preview { background: var(--theme-soft); border-color: var(--line); }
body[data-theme-tone] :is(.themed-select-trigger, .themed-select-dialog, .desktop-tools-menu) { background: var(--card-strong); color: var(--ink); }
body.navigation-ready[data-theme-tone] { --navigation-surface: var(--card-strong); }
body[data-theme-tone] :is(.gallery-card, .result-card, .placeholder-card, .feedback-card, .insight-card, .feedback-detail, .announcement-card, .progress-bar) { background: var(--card-strong); border-color: var(--line); }
body[data-theme-tone="dark"] :is(.pill.like, .relation-like) { color: #ff92b3; }
body[data-theme-tone="dark"] :is(.pill.favorite, .relation-favorite) { color: #edc969; }
body[data-theme-tone] :is(.viewer-zoom-controls button, .viewer-header .viewer-close) { background: var(--theme-soft); color: var(--accent-strong); }

/* One accessible disclosure header, with its description on a separate line. */
.workspace-assist > summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; list-style: none; }
.workspace-assist > summary::-webkit-details-marker { display: none; }
.assist-summary-copy { display: grid; gap: 3px; min-width: 0; }
.assist-summary-title { color: var(--ink); font-size: 14px; font-weight: 500; line-height: 1.5; }
.assist-summary-subtitle { color: var(--muted); font-size: 12px; font-weight: 400; line-height: 1.5; }
.assist-summary-chevron { flex: 0 0 auto; font-size: 18px; color: var(--accent); transition: transform 150ms ease; }
.workspace-assist[open] .assist-summary-chevron { transform: rotate(180deg); }
.workspace-assist[open] > summary { border-bottom: 1px solid var(--line); }
.workspace-assist .assist-card { padding: 14px; gap: 12px; }
.assist-description { margin: 0; font-size: 13px; line-height: 1.65; color: var(--muted); overflow-wrap: anywhere; }
.workspace-assist .segmented { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; padding: 4px; border-radius: 12px; background: var(--theme-soft); }
.workspace-assist .segment { min-height: 40px; padding: 7px 8px; border-radius: 9px; font-size: 13px; line-height: 1.5; background: transparent; }
.workspace-assist .segment.is-active { background: var(--accent); }
.workspace-assist .assist-panel textarea { min-height: 80px; font-size: 14px; line-height: 1.5; }
.workspace-assist .assist-panel .actions { justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.workspace-assist .assist-panel button { min-height: 40px; padding: 8px 14px; font-size: 13px; border-radius: 10px; }
.workspace-assist .status-hint { margin: 0; min-height: 0; padding: 0; font-size: 12px; line-height: 1.6; color: var(--muted); background: transparent; }
.workspace-assist .status-hint.is-error { color: var(--danger); }
.workspace-assist .candidate-head { flex-wrap: wrap; align-items: center; gap: 8px; }
.workspace-assist .candidate-head strong { font-size: 13px; font-weight: 500; }
.workspace-assist .candidate-head .actions { margin-left: auto; }
.workspace-assist .candidate-card > .actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.workspace-assist .candidate-card > .actions button { min-height: 40px; padding: 7px 8px; border-radius: 10px; font-size: 13px; line-height: 1.5; }
.workspace-assist .candidate-preview { min-height: 140px; padding: 12px; font-size: 14px; line-height: 1.65; }
@media (max-width: 760px) {
  .workspace-assist > summary { padding: 11px 12px; }
  .workspace-assist .assist-card { padding: 12px; }
  .navigation-ready .workspace-inputs .assist-panel textarea { min-height: 80px; }
}
@media (prefers-reduced-motion: reduce) { .assist-summary-chevron { transition: none; } }