/* SAKUPOU SUPER FEATURES */
.sf-hero{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:30px;border:1px solid var(--border);border-radius:28px;background:linear-gradient(135deg,var(--surface),var(--blue-soft));box-shadow:var(--shadow)}
.sf-hero h1{font-size:36px;margin:6px 0 10px}.sf-hero p{color:var(--muted);line-height:1.7;max-width:780px}.sf-hero-badge{width:150px;height:150px;border-radius:40px;background:var(--accent);color:#fff;display:grid;place-content:center;text-align:center;box-shadow:0 20px 42px color-mix(in srgb,var(--accent) 30%,transparent)}.sf-hero-badge strong{font-size:28px}.sf-hero-badge span{font-size:10px;margin-top:5px;opacity:.85}
.sf-tabs{display:flex;gap:6px;overflow:auto;padding:6px;margin:16px 0;background:var(--surface);border:1px solid var(--border);border-radius:16px;scrollbar-width:none}.sf-tabs button{white-space:nowrap;border:0;background:transparent;color:var(--muted);padding:9px 12px;border-radius:10px;font-size:11px;font-weight:750;cursor:pointer}.sf-tabs button.active{background:var(--accent-soft);color:var(--accent)}
.sf-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.sf-feature-card{display:grid;grid-template-columns:45px 1fr auto;gap:12px;align-items:center;text-align:left;border:1px solid var(--border);background:var(--surface);padding:16px;border-radius:20px;box-shadow:var(--shadow-sm);cursor:pointer}.sf-feature-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 35%,var(--border))}.sf-feature-card>span{width:45px;height:45px;border-radius:14px;background:var(--surface-2);display:grid;place-items:center;font-size:19px}.sf-feature-card strong{display:block;font-size:13px}.sf-feature-card small{display:block;color:var(--muted);font-size:10px;line-height:1.5;margin-top:3px}.sf-feature-card>b{color:var(--muted)}
.sf-two{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:14px}.sf-chat{min-height:520px;display:flex;flex-direction:column}.sf-chat-log{display:flex;flex-direction:column;gap:10px;overflow:auto;max-height:500px;flex:1;padding-right:4px}.sf-msg{max-width:88%;border-radius:18px;padding:12px 14px;background:var(--surface-2)}.sf-msg.user{align-self:flex-end;background:var(--accent);color:#fff}.sf-msg b{font-size:10px;opacity:.75}.sf-msg p{font-size:12px;line-height:1.65;margin:4px 0 0}.sf-chat-form{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:14px}.sf-chat-form textarea{min-height:72px}.sf-prompt-list{display:grid;gap:7px}.sf-prompt-list button{border:1px solid var(--border);background:var(--surface-3);padding:10px;border-radius:12px;text-align:left;font-size:11px;cursor:pointer}.sf-search-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px}.sf-search-row input,.sf-kanji-layout input{width:100%;padding:12px;border:1px solid var(--border);border-radius:13px;background:var(--surface-3);color:var(--text)}.sf-search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:10px}.sf-search-results button{border:1px solid var(--border);background:var(--surface-3);border-radius:12px;padding:9px;text-align:left;cursor:pointer}.sf-search-results b,.sf-search-results small{display:block}.sf-search-results small{font-size:9px;color:var(--muted);margin-top:3px}.sf-selected-row,.chip-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.sf-selected-row button,.chip-row>*{border:1px solid var(--border);background:var(--surface-2);border-radius:999px;padding:6px 10px;font-size:10px;color:var(--text)}.sf-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.sf-compare-grid h4{margin:16px 0 7px}.sf-analysis-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sf-analysis-kpis span{padding:12px;background:var(--surface-2);border-radius:13px;text-align:center;font-size:10px}.sf-analysis-kpis b{display:block;font-size:21px}.sf-audio-big{width:170px;height:170px;border-radius:50%;border:1px solid var(--border);background:linear-gradient(145deg,var(--accent),var(--accent-hover));color:#fff;display:grid;place-content:center;margin:24px auto;font-size:42px;cursor:pointer;box-shadow:0 18px 38px color-mix(in srgb,var(--accent) 28%,transparent)}.sf-audio-big small{display:block;font-size:9px;margin-top:7px}.sf-listening{max-width:800px;margin:auto}.sf-mini-stat{font-size:10px;color:var(--muted);margin-top:14px;text-align:center}.sf-shadow audio{width:100%;margin:14px 0}.sf-kanji-layout{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:14px}.sf-kanji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:12px}.sf-kanji-grid button{aspect-ratio:1;border:1px solid var(--border);background:var(--surface-3);border-radius:10px;font-family:'Noto Sans JP';font-size:18px;cursor:pointer}.sf-kanji-grid button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.sf-kanji-char{font-family:'Noto Sans JP';font-size:96px;line-height:1;text-align:center;margin:10px}.sf-level-result{font-size:96px;font-weight:900;color:var(--accent);line-height:1.1;margin:20px}.sf-review-list{display:grid;gap:9px;margin-top:12px}.sf-inline{display:flex;gap:8px}.sf-inline input{flex:1}.sf-community-list{display:grid;gap:10px;max-height:580px;overflow:auto}.sf-post{border:1px solid var(--border);background:var(--surface-3);border-radius:15px;padding:13px}.sf-post>div{display:flex;justify-content:space-between}.sf-post small{color:var(--muted);font-size:9px}.sf-post p{font-size:12px;line-height:1.6;margin:7px 0 0}.sf-pack-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:14px 0}.sf-pack{border:1px solid var(--border);background:var(--surface-3);border-radius:16px;padding:16px 8px;cursor:pointer}.sf-pack b,.sf-pack span,.sf-pack small{display:block}.sf-pack b{font-size:22px}.sf-pack span,.sf-pack small{font-size:9px;color:var(--muted);margin-top:4px}.sf-pack.installed{background:var(--green-soft);border-color:var(--green)}.sf-collection{border:1px solid var(--border);border-radius:14px;padding:10px 12px;margin-bottom:8px}.sf-collection summary{display:flex;justify-content:space-between;cursor:pointer}.sf-collection summary span{font-size:10px;color:var(--muted)}.sf-home-strip{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:18px 20px;border:1px solid var(--border);background:linear-gradient(90deg,var(--accent-soft),var(--surface));border-radius:22px}.sf-home-strip h2{font-size:18px;margin:3px 0}.sf-home-strip p{font-size:10px;color:var(--muted);margin:0}
.beginner-mode body,.beginner-mode{font-size:106%}.beginner-mode .desktop-nav button{font-size:13px}.beginner-mode .sf-feature-card small{font-size:11px}.beginner-mode .jp-example{font-size:20px}.beginner-mode .advanced-only{display:none!important}
@media(max-width:1000px){.sf-feature-grid{grid-template-columns:repeat(2,1fr)}.sf-kanji-grid{grid-template-columns:repeat(6,1fr)}}
@media(max-width:760px){.sf-hero,.sf-two,.sf-kanji-layout{grid-template-columns:1fr}.sf-hero-badge{width:100%;height:auto;border-radius:18px;padding:18px}.sf-feature-grid,.sf-compare-grid{grid-template-columns:1fr}.sf-search-results{grid-template-columns:1fr}.sf-chat-form{grid-template-columns:1fr}.sf-pack-grid{grid-template-columns:repeat(2,1fr)}.sf-home-strip{align-items:flex-start;flex-direction:column}.sf-kanji-grid{grid-template-columns:repeat(6,1fr)}.sf-level-result{font-size:72px}}
@media(max-width:760px){.bottom-nav{grid-template-columns:repeat(6,1fr)!important}.nav-item small{font-size:7px}}
.sf-dictionary-list{display:grid;gap:7px;margin-top:12px}.sf-dict-row{display:grid;grid-template-columns:auto minmax(150px,.8fr) minmax(180px,1.2fr);gap:10px;align-items:center;text-align:left;border:1px solid var(--border);background:var(--surface-3);border-radius:13px;padding:10px;cursor:pointer}.sf-dict-row span:nth-child(2) b,.sf-dict-row span:nth-child(2) small{display:block}.sf-dict-row span:nth-child(2) small{font-size:9px;color:var(--muted);margin-top:2px}.sf-dict-row>strong{font-size:11px;font-weight:650}
@media(max-width:650px){.sf-dict-row{grid-template-columns:auto 1fr}.sf-dict-row>strong{grid-column:2}}

/* Kanji Explorer live-search hotfix */
.sf-search-label{display:block;font-size:10px;font-weight:800;margin-bottom:7px}.sf-kanji-hint{display:block;font-size:9px;margin-top:7px}.sf-kanji-empty{grid-column:1/-1;padding:18px!important}.sf-kanji-layout input:focus{outline:2px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px;border-color:var(--accent)}


/* SAKUPOU Admin Dashboard */
.admin-page{padding-bottom:40px}.admin-stats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin:14px 0}.admin-stat{border:1px solid var(--border);background:var(--surface);border-radius:18px;padding:15px;box-shadow:var(--shadow-sm)}.admin-stat span{display:block;color:var(--muted);font-size:9px}.admin-stat strong{display:block;font-size:22px;margin-top:5px}.admin-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(290px,.5fr);gap:14px}.admin-side{display:grid;gap:14px;align-content:start}.admin-filter-card{margin-bottom:14px}.admin-filter-grid{display:grid;grid-template-columns:minmax(220px,1.4fr) 170px minmax(190px,.8fr) auto;gap:10px;align-items:end}.admin-filter-btn{height:42px}.admin-table-wrap{overflow:auto;border:1px solid var(--border);border-radius:15px}.admin-table{width:100%;border-collapse:collapse;min-width:780px}.admin-table th,.admin-table td{padding:10px 11px;border-bottom:1px solid var(--border);text-align:left;font-size:10px;vertical-align:middle}.admin-table th{position:sticky;top:0;background:var(--surface-2);z-index:1;font-size:9px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}.admin-table td b,.admin-table td small{display:block}.admin-table td small{font-size:8px;color:var(--muted);margin-top:2px}.admin-status{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:8px;font-weight:800}.admin-status.unused{background:var(--blue-soft);color:var(--blue)}.admin-status.redeemed{background:var(--green-soft);color:var(--green)}.admin-status.blocked{background:#f7d9d5;color:#8c2c26}.admin-actions{display:flex;gap:5px}.tiny{padding:6px 8px!important;font-size:8px!important}.admin-loading{padding:24px;text-align:center;color:var(--muted)}.admin-generated-box{margin-top:12px;padding:12px;border-radius:13px;border:1px dashed var(--border);background:var(--surface-2);font-size:10px;display:grid;gap:8px}.admin-shortcut{border-color:color-mix(in srgb,var(--accent) 35%,var(--border))}.admin-page .field input,.admin-page .field select{width:100%}
@media(max-width:1100px){.admin-stats{grid-template-columns:repeat(3,1fr)}.admin-layout{grid-template-columns:1fr}.admin-filter-grid{grid-template-columns:1fr 1fr}.admin-filter-btn{grid-column:1/-1}}
@media(max-width:650px){.admin-stats{grid-template-columns:repeat(2,1fr)}.admin-filter-grid{grid-template-columns:1fr}.admin-filter-btn{grid-column:auto}.admin-page .section-head{align-items:flex-start;gap:10px}.admin-table th,.admin-table td{padding:9px 8px}}