.pf-badge { padding: 9px 14px; border: 1px dashed var(--ink-2); border-radius: 10px; font-size: var(--t-s); font-weight: 650; }
.pf-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 12px; align-items: start; }
.pf-toc { display: grid; gap: 8px; }
.pf-toc li { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto auto; gap: 6px; align-items: center; padding: 6px 8px; border: 1px solid var(--line); border-radius: 10px; }
.pf-toc li.is-fixed { background: var(--paper-2); }
.pf-no { font-weight: 800; text-align: center; }
.pf-mv { min-width: 44px; min-height: 44px; border: 1px solid var(--control); border-radius: 9px; background: var(--surface); color: var(--ink); font: inherit; font-size: var(--t-s); font-weight: 650; cursor: pointer; }
.pf-mv:disabled { visibility: hidden; }
.pf-work { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 12px; align-items: start; }
.pf-pages { display: grid; gap: 6px; }
.pf-pages button { display: grid; gap: 2px; width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); font: inherit; font-size: .9375rem; font-weight: 650; text-align: left; cursor: pointer; }
.pf-pages button[aria-pressed="true"] { border-color: var(--ink); background: var(--sun-soft); }
.pf-pages span { color: var(--ink-2); font-size: var(--t-s); font-weight: 400; }
.pf-stage { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.pf-paper { position: relative; width: 100%; max-width: 420px; aspect-ratio: 1 / 1.2; margin: 0 auto; padding: 22px 22px 18px 30px; border: 1px solid var(--control); border-radius: 6px; background: var(--surface); overflow: hidden; display: grid; align-content: start; gap: 10px; }
.pf-paper::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 10px; background: var(--sun); }
.pf-paper h3 { font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em; }
.pf-paper p, .pf-paper li, .pf-paper small { font-size: .875rem; line-height: 1.5; }
.pf-cover { align-content: center; gap: 14px; }
.pf-cover h3 { font-size: 1.75rem; }
.pf-rule { width: 56px; height: 6px; border-radius: 3px; background: var(--ink); }
.pf-kv { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 6px 10px; padding: 8px 0; border-top: 1px solid var(--line); }
.pf-kv b { font-size: .875rem; }
.pf-boxes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.pf-box { display: grid; gap: 6px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper-2); }
.pf-box i { display: block; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); }
.pf-box:nth-child(2) i { border-radius: 6px; background: var(--sun); border: 2px solid var(--ink); }
.pf-box:nth-child(3) i { border-radius: 0; background: var(--ink-2); transform: rotate(45deg) scale(.8); }
.pf-box b { font-size: .875rem; }
.pf-tl { display: grid; gap: 10px; border-left: 2px solid var(--ink); margin-left: 6px; padding-left: 14px; }
.pf-tl li { position: relative; }
.pf-tl li::before { content: ""; position: absolute; left: -22px; top: 5px; width: 12px; height: 12px; border-radius: 50%; background: var(--sun); border: 2px solid var(--ink); }
.pf-rev { margin-top: auto; padding: 8px 10px; border-radius: 8px; background: var(--sun-soft); font-size: .875rem; line-height: 1.45; }
.pf-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; }
.pf-ok { padding: 14px; border-radius: 12px; background: var(--sun-soft); }
@media (max-width: 860px) { .pf-cols, .pf-work { grid-template-columns: minmax(0, 1fr); } .pf-pages { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 480px) { .pf-pages { grid-template-columns: repeat(2, minmax(0, 1fr)); } .pf-boxes { grid-template-columns: minmax(0, 1fr); } .pf-toc li { grid-template-columns: 28px minmax(0, 1fr) auto auto; } }