/* Shared extension tokens. Optional Frost theme preserves the classic theme. */
.work-cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.with-cover .visual-title{visibility:hidden}.with-cover .visual-label{position:relative;z-index:1}.with-cover .round-arrow{z-index:1}
.note-cover{display:block;width:125px;height:84px;object-fit:cover;border-radius:12px;margin-bottom:12px}.note-meta{min-width:0}
.cover-preview{margin:0 0 28px;padding:20px;background:var(--soft);border-radius:16px}.cover-preview img{display:block;width:100%;max-width:440px;max-height:300px;object-fit:contain;border-radius:12px}.cover-preview details{margin-top:16px}.cover-preview summary{font-size:13px;cursor:pointer;min-height:32px}.cover-preview details img{margin-top:12px}
@media(max-width:700px){.note-meta{grid-column:1/-1;display:flex;align-items:center;gap:16px}.note-cover{width:96px;height:64px;margin:0}.cover-preview{padding:15px}}
html[data-theme=snow]{--bg:#f8fbff;--soft:#edf3f9;--ink:#263744;--muted:#607585;--line:#dbe6ef;--blue:#356d9f;background:var(--bg)}
html[data-theme=snow] body{background:var(--bg)}
html[data-theme=snow] .topbar{background:rgba(249,252,255,.84);border-color:rgba(163,186,203,.2);backdrop-filter:blur(22px) saturate(130%)}
html[data-theme=snow] .hero h1{color:#304958;font-weight:550}
html[data-theme=snow] .hero h1::first-line{color:#7a909f}
html[data-theme=snow] .hero-art{border:1px solid #e5edf3;box-shadow:0 18px 60px rgba(99,130,154,.065)}
html[data-theme=snow] .hero-art img{object-position:center 51%}
html[data-theme=snow] .has-art{background-image:url("img/snow.a5e86f958588.webp")}
html[data-theme=snow] .notes-section{background:#edf3f9}
html[data-theme=snow] .about-teaser h2 span{color:#8a9faa}
html[data-theme=snow] .work-visual:not(.has-art){background:#e8f0f7}
html[data-theme=snow] .button{box-shadow:inset 0 1px 0 rgba(255,255,255,.15)}
html[data-theme=snow] .work-grid>.work-card:only-child,.theme-preview,.feature-panel,.guest-form-card,.message-card{border:1px solid var(--line)}
.sidebar-section-label{font-size:10px;color:var(--muted);letter-spacing:.06em;padding:20px 14px 6px}
.feature-panel{padding:28px;border-radius:20px;background:var(--bg);margin-block:24px}
.feature-panel h3{font-size:21px;letter-spacing:-.03em;font-weight:550}
.feature-panel>p{font-size:14px;color:var(--muted)}
.feature-title{font-size:23px;font-weight:550;letter-spacing:-.03em;margin-top:35px}
.file-card{display:flex;justify-content:space-between;gap:25px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
.file-card>div:first-child{min-width:0}.file-card h3{font-size:16px;font-weight:550;margin-bottom:7px;overflow-wrap:anywhere}
.file-card p,.file-card small{font-size:12px;color:var(--muted);overflow-wrap:anywhere;margin-bottom:5px}
.file-actions{display:flex;gap:18px;align-items:center;flex-shrink:0}.file-actions .text-link{font-size:12px}
.danger-link,.text-button{border:0;background:none;font-size:12px;padding:10px 0;color:#ae3535;cursor:pointer;min-height:40px}.text-button{color:var(--blue)}
.is-deleted{opacity:.68}.file-card.is-deleted{background:var(--soft);padding-inline:15px;border-radius:12px;margin-block:10px}
.repo-panel,.downloads{margin-top:38px;padding:28px;background:var(--soft);border-radius:22px}
.repo-panel h2{font-size:22px;letter-spacing:-.025em;overflow-wrap:anywhere}.repo-panel>p{font-size:14px;color:var(--muted)}
.repo-facts{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-block:18px}
.download-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.download-card strong{font-size:15px;display:block;font-weight:550}.download-card small{font-size:11px;color:var(--muted);display:block;margin-top:7px;overflow-wrap:anywhere}.download-card>span:last-child{font-size:22px;color:var(--blue)}
.downloads h2{font-size:25px;letter-spacing:-.03em}
.theme-previews{display:grid;grid-template-columns:1fr 1fr;gap:20px}.theme-preview{border-radius:20px;overflow:hidden;background:var(--bg)}
.theme-preview img{width:100%;height:auto;aspect-ratio:1.6;object-fit:cover}.theme-preview>div{padding:22px}.theme-preview h3{font-size:19px;font-weight:550;margin-bottom:8px}.theme-preview p{font-size:12px;color:var(--muted);margin-bottom:0}
.theme-form{margin-top:30px}.theme-form fieldset{border:1px solid var(--line);border-radius:16px;padding:20px;margin:0 0 22px}.theme-form legend{font-size:13px;padding:0 8px}.theme-form label{display:flex;gap:10px;align-items:center;min-height:44px;font-size:14px}.theme-form input{accent-color:var(--blue);width:17px;height:17px}
.user-panel{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}.user-panel .field{margin-bottom:14px}.user-panel .text-link{display:flex;margin-top:10px}
.guestbook-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;padding-bottom:90px;align-items:start}
.guest-form-card{padding:30px;background:var(--bg);border-radius:24px}.guest-form-card h2{font-size:25px;font-weight:550;letter-spacing:-.04em;margin-bottom:28px}.guest-form-card .button{margin-top:22px}
.message-card{padding:30px;background:var(--bg);border-radius:22px;margin-bottom:20px}.message-card>p{font-size:17px;line-height:1.95;overflow-wrap:anywhere;color:var(--ink);margin-bottom:25px}.message-card footer{display:flex;gap:20px;justify-content:space-between;color:var(--muted);font-size:11px}.message-card time{white-space:nowrap}
.quiet-empty{padding:50px 25px;text-align:center;border:1px dashed var(--line);border-radius:24px}.quiet-empty>span{color:#91a8b9;font-size:38px;display:block;margin-bottom:24px}.quiet-empty h2{font-size:25px;font-weight:500;letter-spacing:-.04em}.quiet-empty p{font-size:14px;color:var(--muted)}
.filter-tabs{display:flex;gap:12px;margin-block:10px 28px}.filter-tabs a{padding:12px 18px;border-radius:30px;font-size:13px;background:var(--soft);color:var(--muted)}.filter-tabs a[aria-current]{background:var(--ink);color:#fff}.moderation-card form{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px}.moderation-card .button{font-size:12px;padding:10px 18px}
.editor-heading>div:last-child>.text-link+.text-link{margin-left:15px}
@media(max-width:900px){.studio-layout{gap:25px}.guestbook-layout{gap:28px}.feature-panel{padding:24px}}
@media(max-width:700px){.nav-links{gap:14px}.nav .brand{font-size:16px}.nav{gap:15px}.studio-sidebar{display:block}.studio-sidebar nav{flex-wrap:wrap;gap:4px}.studio-sidebar nav a{padding:10px 12px}.sidebar-section-label{display:none}.studio-sidebar>form{display:none}.studio-user{display:none}.studio-sidebar nav a{font-size:11px}.guestbook-layout{grid-template-columns:1fr;gap:40px;padding-bottom:65px}.guest-form-card,.message-card{padding:25px}.guest-form-card .field input,.guest-form-card .field textarea{font-size:16px}.theme-previews{gap:12px}.theme-preview>div{padding:17px}.theme-preview h3{font-size:16px}.theme-preview p{font-size:11px}.file-card{align-items:flex-start;flex-direction:column;gap:7px}.file-actions{gap:24px}.repo-panel,.downloads{padding:23px}.user-panel{display:block}.user-panel>form{margin-top:18px}.feature-panel{padding:22px}.editor-heading{flex-wrap:wrap}.filter-tabs{gap:8px}.filter-tabs a{padding:11px 15px}.message-card>p{font-size:16px}.nav-links a{font-size:11px}.repo-facts{gap:13px}.sidebar-section-label+ a{margin-left:0}}
@media(max-width:360px){.nav{flex-wrap:wrap;justify-content:center;height:auto;padding-block:12px;gap:4px}.nav-links{width:100%;justify-content:space-between;gap:12px}.theme-previews{grid-template-columns:1fr}}
@media(max-width:700px){.studio-sidebar>form{display:block;margin-top:8px}}
@media(prefers-reduced-transparency:reduce){html[data-theme=snow] .topbar{background:#f8fbff;backdrop-filter:none}}
@media(prefers-contrast:more){html[data-theme=snow]{--muted:#435666;--line:#8da3b3;--blue:#1d567f}}