:root{--brand:#165dff;--brand-hover:#0e4bcc;--brand-soft:#165dff1a;--brand-muted:#165dff0f;--brand-border:#165dff47;--brand-glow:#165dff2e;--bg:#f0f3f8;--bg-subtle:#f8fafc;--surface:#fff;--surface-elevated:#fff;--text:#111827;--text-secondary:#374151;--text-muted:#6b7280;--text-placeholder:#9ca3af;--danger:#dc2626;--danger-hover:#b91c1c;--danger-soft:#dc262614;--danger-border:#dc262659;--danger-text:#b91c1c;--border:#e5e7eb;--border-strong:#d1d5db;--radius-lg:16px;--radius-md:12px;--shadow-card:0 1px 2px #0f172a0f, 0 4px 16px #0f172a0a;--shadow-card-accent:0 4px 20px #165dff1f;--font-sans:"Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--admin-shell-gutter:clamp(.75rem, 2.2vw, 1.25rem);--admin-shell-gap:1.25rem;--admin-nav-width:260px}*,:before,:after{box-sizing:border-box}html,body,#app{height:100%;min-height:100%;margin:0}body{font-family:var(--font-sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}.liquid-bg{background:linear-gradient(180deg, #fff 0%, var(--bg) 48%, #eef2f9 100%);min-height:100%;position:relative;overflow:hidden}.liquid-bg:before,.liquid-bg:after{content:"";filter:blur(100px);opacity:.22;pointer-events:none;border-radius:50%;position:absolute}.liquid-bg:before{background:radial-gradient(circle, var(--brand) 0%, transparent 70%);width:min(420px,70vw);height:min(420px,70vw);top:-100px;right:-60px}.liquid-bg:after{opacity:.14;background:radial-gradient(circle,#3b82f6 0%,#0000 68%);width:min(320px,55vw);height:min(320px,55vw);bottom:-80px;left:-40px}.liquid-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.liquid-card--inner{border-radius:var(--radius-md);background:var(--bg-subtle);border:1px solid var(--border)}.u-text-danger{color:var(--danger-text)}.u-text-brand{color:var(--brand)}.u-bg-danger-soft{background:var(--danger-soft)}