:root {
    --missing-panel-bg: var(--bg-elevated, #121822);
    --missing-panel-text: var(--text, #f4f7fb);
    --missing-panel-border: var(--line, rgba(255,255,255,.12));
    --missing-panel-accent: var(--accent, #46b6ff);
    --missing-panel-radius: var(--radius-sm, 14px);
    --missing-panel-space: 16px;
    --missing-warning-color: #fb923c;
}
.missing-chapters-value { display: flex; flex-direction: row; align-items: center; gap: 8px; min-width: 0; }
.missing-chapters-trigger { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 28px; width: 28px; height: 28px; color: var(--missing-warning-color); background: transparent; border: 0; border-radius: 4px; padding: 4px; cursor: pointer; }
.missing-chapters-trigger svg { display: block; flex-shrink: 0; }
.missing-chapters-dialog { box-sizing: border-box; width: min(520px, calc(100vw - 32px)); max-height: 80dvh; margin: auto; padding: var(--missing-panel-space); border: 1px solid var(--missing-panel-border); border-radius: var(--missing-panel-radius); background: var(--missing-panel-bg); color: var(--missing-panel-text); overflow-y: auto; overscroll-behavior: contain; }
.missing-chapters-dialog::backdrop { background: rgba(0,0,0,.7); }
.missing-chapters-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.missing-chapters-header h2 { margin: 0; font-size: 20px; }
.missing-chapters-header form { margin: 0; }
.missing-chapters-close { width: 36px; height: 36px; border: 1px solid var(--missing-panel-border); border-radius: 6px; background: transparent; color: inherit; font-size: 24px; cursor: pointer; }
.missing-chapters-dialog p { font-size: 13px; line-height: 1.6; }
.missing-chapters-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 8px; padding: 0; list-style: none; }
.missing-chapters-list li { padding: 8px; border: 1px solid var(--missing-panel-border); border-radius: 6px; font-size: 13px; }
.missing-chapters-trigger:focus-visible, .missing-chapters-close:focus-visible { outline: 2px solid var(--missing-panel-accent); outline-offset: 2px; }