:root{color-scheme:light;--bg:#f5f7fb;--surface:#fff;--text:#172033;--muted:#687287;--line:#dfe4ec;--accent:#3157d5;--accent-dark:#2846ad;--danger:#b33a3a;--success:#267356}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px}.admin-page a{color:inherit}.topbar{height:64px;padding:0 max(24px,calc((100vw - 1400px)/2));display:flex;align-items:center;gap:32px;background:#fff;border-bottom:1px solid var(--line)}.brand{font-weight:700;text-decoration:none;white-space:nowrap}.topbar nav{display:flex;gap:8px;flex:1}.topbar nav a{padding:9px 12px;border-radius:9px;text-decoration:none;color:var(--muted)}.topbar nav a[aria-current=page]{color:var(--accent);background:#edf1ff}.text-button{border:0;background:none;color:var(--muted);cursor:pointer;padding:10px}.admin-container,.form-container{width:min(1400px,calc(100% - 32px));margin:0 auto;padding:38px 0 60px}.form-container{max-width:900px}.page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}h1{font-size:30px;letter-spacing:-.03em;margin:0 0 6px}h2{font-size:17px;margin:0}.page-heading p,.muted{color:var(--muted);margin:0}.button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:9px 15px;border:1px solid transparent;border-radius:10px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}.primary{background:var(--accent);color:#fff!important}.primary:hover{background:var(--accent-dark)}.secondary,.ghost{background:#fff;border-color:var(--line)}.secondary:hover,.ghost:hover{border-color:#aeb8c8}.danger{background:#fff;border-color:#e6bcbc;color:var(--danger)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #aabaff;outline-offset:2px}.notice,.legacy-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:18px}.notice-error{border-color:#e6bcbc;color:#862d2d}.notice-success{border-color:#b9ddcf;color:#195b43}.legacy-box{display:flex;align-items:center;justify-content:space-between;gap:20px}.legacy-box p{color:var(--muted);margin:5px 0 0}.filters{display:grid;grid-template-columns:minmax(240px,1fr) 190px auto auto;align-items:end;gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:18px}label{display:flex;flex-direction:column;gap:7px;font-weight:600;color:#414b5d}input,select,textarea{width:100%;min-height:42px;border:1px solid #cbd2dd;border-radius:9px;background:#fff;padding:9px 11px;color:var(--text);font:inherit}textarea{resize:vertical}.feed-grid{display:grid;gap:12px}.feed-card{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;transition:border-color .15s,box-shadow .15s}.feed-card:hover{border-color:#c3cad5;box-shadow:0 4px 16px rgba(31,44,70,.05)}.feed-title-row{display:flex;align-items:center;gap:10px}.badge{font-size:12px;border-radius:99px;padding:4px 8px;font-weight:650}.badge.enabled{background:#e8f5ef;color:#22664e}.badge.disabled{background:#eef0f4;color:#5e6878}.feed-id,.meta-row{color:var(--muted);font-size:13px;margin-top:7px}.feed-url{display:block;color:var(--accent)!important;margin-top:10px;overflow-wrap:anywhere}.meta-row{display:flex;flex-wrap:wrap;gap:8px 18px}.feed-error{max-width:760px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#963b3b;background:#fff3f3;padding:8px;border-radius:8px}.feed-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0}.feed-stats div{border-left:2px solid #e8ebf1;padding-left:10px}.feed-stats dt{font-size:12px;color:var(--muted)}.feed-stats dd{margin:4px 0 0;font-weight:600}.actions{grid-column:1/-1;border-top:1px solid #edf0f4;padding-top:14px;display:flex;flex-wrap:wrap;gap:8px}.actions form{margin:0}.empty-state{text-align:center;background:#fff;border:1px dashed #cbd2dd;border-radius:14px;padding:60px 20px}.empty-state p{color:var(--muted)}.empty-icon{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;background:#edf1ff;color:var(--accent);font-weight:800;margin-bottom:15px}.back-link{display:inline-block;color:var(--accent)!important;margin-bottom:20px;text-decoration:none}.feed-form{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.wide{grid-column:1/-1}.field-error{color:#a52e2e;font-size:12px}.feed-form small{color:var(--muted);font-weight:400}.checkbox{flex-direction:row;align-items:center}.checkbox input{width:18px;min-height:18px}.warning{padding:11px;background:#fff8e5;border-radius:9px;color:#765c17}.form-actions{display:flex;gap:10px;margin-top:22px}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(410px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px}.login-card h1{font-size:25px;margin-top:28px}.stack-form{display:grid;gap:18px;margin-top:24px}@media(max-width:900px){.feed-card{grid-template-columns:1fr}.actions{grid-column:1}.filters{grid-template-columns:1fr 1fr}.topbar{padding:0 16px}.topbar nav{overflow:auto}}@media(max-width:600px){.admin-container,.form-container{width:min(100% - 20px,1400px);padding-top:24px}.topbar{height:auto;min-height:58px;flex-wrap:wrap;gap:8px 16px;padding:10px}.topbar nav{order:3;flex-basis:100%}.page-heading,.legacy-box{align-items:stretch;flex-direction:column}.filters,.form-grid{grid-template-columns:1fr}.wide{grid-column:1}.feed-card{padding:15px}.feed-stats{grid-template-columns:1fr}.actions>*{flex:1}.actions .button{width:100%}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}