:root{--sellio-primary:#4f46e5;--sellio-primary-blue:#2563eb;--sellio-primary-soft:#eef2ff;--sellio-gradient:linear-gradient(135deg,#6366f1,#2563eb);--sellio-text:#0f172a;--sellio-text-secondary:#475569;--sellio-text-muted:#94a3b8;--sellio-bg:#f8f9fc;--sellio-surface:#fff;--sellio-border:#e2e8f0;--sellio-success:#12b76a;--sellio-success-soft:#ecfdf3;--sellio-warning:#f79009;--sellio-warning-soft:#fffaeb;--sellio-danger:#f04438;--sellio-danger-soft:#fef3f2;--sellio-info:#0ba5ec;--sellio-info-soft:#f0f9ff;--sellio-pastel-purple:#ede9fe;--sellio-pastel-blue:#dbeafe;--sellio-pastel-green:#dcfce7;--sellio-pastel-orange:#ffedd5;--sellio-pastel-pink:#fce7f3;--sellio-radius-sm:8px;--sellio-radius-md:12px;--sellio-radius-lg:16px;--sellio-radius-pill:999px;--sellio-space-xs:4px;--sellio-space-sm:8px;--sellio-space-md:16px;--sellio-space-lg:24px;--sellio-space-xl:32px;--sellio-page-max:1280px;--sellio-sidebar-width:220px;--sellio-shadow-sm:0 1px 2px #0f172a0a;--sellio-shadow-md:0 4px 12px #0f172a0f;--sellio-font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--sellio-text-display:700 2rem/1.2 var(--sellio-font);--sellio-text-page-title:700 1.75rem/1.25 var(--sellio-font);--sellio-text-section:600 1.25rem/1.3 var(--sellio-font);--sellio-text-card-title:600 1rem/1.35 var(--sellio-font);--sellio-text-body:400 .9375rem/1.5 var(--sellio-font);--sellio-text-supporting:400 .8125rem/1.45 var(--sellio-font);--sellio-text-label:600 .8125rem/1.4 var(--sellio-font)}*,:after,:before{box-sizing:border-box}html{font-family:var(--sellio-font);color:var(--sellio-text);-webkit-font-smoothing:antialiased}body,html{background:var(--sellio-bg)}body{min-height:100vh;font:var(--sellio-text-body);margin:0}a{color:inherit}button,input,select,textarea{font:inherit}.sellio-page{max-width:var(--sellio-page-max)}.sellio-page-title{font:var(--sellio-text-page-title);color:var(--sellio-text);letter-spacing:-.02em;margin:0}.sellio-page-sub{font:var(--sellio-text-supporting);color:var(--sellio-text-secondary);margin:6px 0 0}.sellio-btn{border-radius:var(--sellio-radius-md);font:var(--sellio-text-label);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 16px;text-decoration:none;transition:background .12s,border-color .12s,color .12s;display:inline-flex}.sellio-btn-primary{background:var(--sellio-primary);color:#fff}.sellio-btn-primary:hover{background:#4338ca}.sellio-btn-ghost{background:var(--sellio-surface);border-color:var(--sellio-border);color:var(--sellio-text-secondary)}.sellio-btn-ghost:hover{background:#f8fafc}.sellio-card{background:var(--sellio-surface);border:1px solid var(--sellio-border);border-radius:var(--sellio-radius-lg);box-shadow:var(--sellio-shadow-sm)}.sellio-toast{z-index:1200;border-radius:var(--sellio-radius-md);font:var(--sellio-text-supporting);box-shadow:var(--sellio-shadow-md);color:#fff;padding:14px 16px;font-weight:700;position:fixed;top:20px;right:20px}.sellio-toast--success{background:#166534}.sellio-toast--error{background:#b91c1c}.admin-actions{gap:6px;display:inline-flex}.admin-actions,.admin-toolbar{flex-wrap:wrap;align-items:center}.admin-toolbar{gap:10px;margin-bottom:20px;display:flex}.admin-toolbar input,.admin-toolbar select{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:8px 12px;font-size:13px}.admin-btn{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.admin-btn-primary{color:#fff;background:#4f46e5}.admin-btn-primary:hover{background:#4338ca}.admin-btn-ghost{color:#374151;background:#fff;border-color:#e5e7eb}.mono-chip{background:#f3f4f6;border-radius:4px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px}