:root{--brand: #1c63a8;--brand-strong: #17568f;--brand-tint: #e9f1f8;--brand-border: #cbdfef;--brand-ink: #154e86;--brand-ink2: #3a6b9e;--brand-track: #ddebf6;--accent: #4e9e3f;--bg: #f8f5f0;--surface: #ffffff;--border: #e8e1d6;--border-soft: #ece5da;--border-input: #e1dace;--ink: #2b2722;--ink-muted: #6e665c;--ink-faint: #8a8275;--ok: #3c8c46;--ok-tint: #eaf4ea;--ok-border: #cfe6cf;--err: #b3261e;--err-tint: #faecea;--err-border: #f0cfcb;--warn: #8a6410;--warn-tint: #fbf3df;--warn-border: #eeddb4;--radius-card: 12px;--radius-panel: 10px;--radius-control: 8px}.num{font-variant-numeric:tabular-nums}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Hanken Grotesk,sans-serif;-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}h1,h2,h3{margin:0;letter-spacing:-.01em}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-strong)}.topbar{height:64px;background:var(--surface);border-bottom:1px solid var(--border-soft);display:flex;align-items:center;padding:0 28px;gap:28px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink)}.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}.brand-logo{width:30px;height:30px;border-radius:9px;object-fit:contain;flex:0 0 auto}.topbar-nav{display:flex;gap:18px;flex:1}.topbar-nav a{color:var(--ink-muted);font-weight:600;font-size:14px;padding:6px 10px;border-radius:8px}.topbar-nav a.active{color:var(--brand-ink);background:var(--brand-tint)}.avatar-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--brand-tint);color:var(--brand-ink);font-weight:700;font-size:13px;cursor:pointer}.user-menu{position:absolute;right:28px;top:58px;background:var(--surface);border:1px solid var(--border-input);border-radius:10px;min-width:220px;padding:8px;z-index:30}.user-menu .who{padding:8px 10px;border-bottom:1px solid var(--border-soft);margin-bottom:6px}.user-menu .who strong{display:block;font-size:14px}.user-menu .who span{font-size:12.5px;color:var(--ink-muted)}.user-menu button{width:100%;text-align:left;background:none;border:none;padding:8px 10px;font:600 14px Hanken Grotesk;color:var(--ink);border-radius:8px;cursor:pointer}.user-menu button:hover{background:var(--bg)}.page{max-width:1080px;margin:0 auto;padding:32px 24px 48px}.page-narrow{max-width:760px}.breadcrumbs{font-size:13px;color:var(--ink-faint);margin-bottom:18px}.breadcrumbs a{color:var(--ink-muted)}.page-title{font-size:26px;font-weight:700}.page-lead{color:var(--ink-muted);margin-top:6px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-panel);padding:22px 24px}.panel+.panel{margin-top:16px}.panel h3{font-size:16px;font-weight:700}.panel-sub{color:var(--ink-muted);font-size:13.5px;margin-top:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--radius-control);font:600 14.5px Hanken Grotesk;border:1px solid transparent;cursor:pointer;text-decoration:none}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-strong);color:#fff}.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--border-input)}.btn-secondary:hover{border-color:var(--ink-faint)}.btn-ghost{background:none;color:var(--ink-muted)}.btn-ghost:hover{color:var(--ink)}.btn-danger{background:var(--err);color:#fff}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-block{width:100%}.btn-sm{height:34px;padding:0 14px;font-size:13.5px}.field{margin-top:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}.input,.select,.textarea{width:100%;border:1px solid var(--border-input);border-radius:var(--radius-control);background:var(--surface);padding:12px 14px;font:400 15px Hanken Grotesk;color:var(--ink)}.input:focus,.select:focus,.textarea:focus{outline:2px solid var(--brand-border);border-color:var(--brand)}.textarea{min-height:180px;resize:vertical;line-height:1.6}.hint{font-size:12.5px;color:var(--ink-faint);margin-top:6px}.banner{display:flex;gap:10px;align-items:flex-start;border-radius:12px;padding:12px 14px;font-size:14px;border:1px solid}.banner-err{background:var(--err-tint);border-color:var(--err-border);color:var(--err)}.banner-warn{background:var(--warn-tint);border-color:var(--warn-border);color:var(--warn)}.banner-info{background:var(--brand-tint);border-color:var(--brand-border);color:var(--brand-ink)}.badge{display:inline-flex;align-items:center;gap:6px;border-radius:6px;padding:3px 9px;font-size:12.5px;font-weight:600}.badge-ok{background:var(--ok-tint);color:var(--ok);border:1px solid var(--ok-border)}.badge-err{background:var(--err-tint);color:var(--err);border:1px solid var(--err-border)}.badge-info{background:var(--brand-tint);color:var(--brand-ink);border:1px solid var(--brand-border)}.badge-neutral{background:var(--bg);color:var(--ink-muted);border:1px solid var(--border)}.badge-warn{background:var(--warn-tint);color:var(--warn);border:1px solid var(--warn-border)}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--border-input);background:var(--surface);color:var(--ink-muted);border-radius:8px;padding:7px 14px;font:600 13px Hanken Grotesk;cursor:pointer}.chip.active{background:var(--brand-tint);border-color:var(--brand-border);color:var(--brand-ink)}.tabs{display:flex;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:4px;width:fit-content}.tabs button{border:none;background:none;padding:8px 16px;border-radius:9px;font:600 14px Hanken Grotesk;color:var(--ink-muted);cursor:pointer}.tabs button.active{background:var(--surface);color:var(--ink);border:1px solid var(--border)}.tabs button:disabled{opacity:.5;cursor:not-allowed}.auth-wrap{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:48px 16px}.auth-card{width:420px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:36px 34px}.auth-mark{width:44px;height:44px;border-radius:13px;background:var(--brand);color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:22px}.auth-title{font-size:26px;font-weight:700}.auth-lead{color:var(--ink-muted);margin-top:8px}.auth-foot{text-align:center;margin-top:18px;font-size:13px;color:var(--ink-faint)}.empty-state{text-align:center;padding:64px 24px}.empty-state .glyph{font-size:34px}.center-page{text-align:center;padding:90px 24px}.center-page .big{font-size:34px;font-weight:700;color:var(--brand-ink);font-variant-numeric:tabular-nums}.actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}.spacer{flex:1}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.admin-layout{display:grid;grid-template-columns:224px 1fr;min-height:calc(100vh - 64px)}.sidebar{background:var(--surface);border-right:1px solid var(--border-soft);padding:18px 12px;display:flex;flex-direction:column;gap:4px}.sidebar a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;font-weight:600;font-size:14px;color:var(--ink-muted)}.sidebar a.active{background:var(--brand-tint);color:var(--brand-ink)}.admin-tag{font-size:10.5px;font-weight:800;letter-spacing:.08em;color:var(--brand-ink);background:var(--brand-tint);border:1px solid var(--brand-border);border-radius:6px;padding:3px 7px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);padding:10px 12px;border-bottom:1px solid var(--border)}.data-table td{padding:12px;border-bottom:1px solid var(--border-soft);vertical-align:middle;font-variant-numeric:tabular-nums}.data-table tr:last-child td{border-bottom:none}.row-title{font-weight:600}.row-sub{font-size:12.5px;color:var(--ink-faint)}.drag{color:var(--ink-faint);cursor:grab;-webkit-user-select:none;user-select:none}.editor-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;position:sticky;top:64px;background:var(--bg);padding:12px 0;z-index:10;border-bottom:1px solid var(--border-soft)}.save-note{font-size:12.5px;color:var(--ink-faint);white-space:nowrap}.editor-head h1{font-size:22px;font-weight:700}.save-flash{color:var(--ok);font-weight:600;font-size:14px}.topic-row{border:1px solid var(--border);border-radius:12px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start;margin-top:10px;background:var(--surface)}.topic-row .grow{flex:1}.topic-row .controls{display:flex;gap:8px;align-items:center;flex-shrink:0}.upload-block{border:1.5px dashed var(--border-input);border-radius:12px;padding:26px;text-align:center;color:var(--ink-muted);font-size:14px}.char-count{text-align:right;font-size:12.5px;color:var(--ink-faint);margin-top:6px}.char-count.over{color:var(--err);font-weight:700}.var-chip{display:inline-block;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:12.5px;background:var(--brand-tint);color:var(--brand-ink);border:1px solid var(--brand-border);border-radius:7px;padding:3px 8px;margin:0 6px 6px 0}.code-block{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:13px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 14px;overflow-x:auto;white-space:pre-wrap}.prompt-textarea{min-height:220px;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:13.5px}.switch{position:relative;display:inline-block;width:46px;height:26px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.switch .slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border-input);border-radius:999px;transition:background .15s;cursor:pointer}.switch .slider:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .15s;box-shadow:0 1px 2px #2b272240}.switch input:checked+.slider{background:var(--brand)}.switch input:checked+.slider:before{transform:translate(20px)}.switch.danger input:checked+.slider{background:var(--err)}.param-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--border-soft)}.param-row:last-child{border-bottom:none}.param-row .label b{display:block;font-size:14.5px;font-weight:600}.param-row .label span{font-size:12.5px;color:var(--ink-faint)}.param-row .input,.param-row .select{width:130px;text-align:right}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#2b272273;display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}.modal{width:480px;max-width:100%;background:var(--surface);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card)}