:root{--bg: #f5f6fa;--surface: #ffffff;--surface-2: #f8f9fc;--text: #101828;--muted: #667085;--border: #e4e7ec;--accent: #4f46e5;--accent-2: #06b6d4;--accent-soft: #eef2ff;--danger: #d92d20;--radius: 16px;--shadow: 0 14px 40px rgba(16, 24, 40, .08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}body{margin:0;font-family:var(--font);color:var(--text);background:radial-gradient(1200px 600px at 10% -10%,rgba(79,70,229,.1),transparent 60%),radial-gradient(900px 500px at 100% 0%,rgba(6,182,212,.1),transparent 55%),var(--bg);min-height:100vh}h1,h2,h3{margin:0;letter-spacing:-.02em}p{margin:0}button,input,select{font-family:inherit;font-size:14px}.mono{font-family:var(--mono);font-size:12px}.muted{color:var(--muted);font-size:13px}.hint{color:var(--muted);font-size:12px;line-height:1.6}.app{max-width:1240px;margin:0 auto;padding:32px 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12px}}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:32px 16px}.auth-card{width:100%;max-width:420px;display:grid;gap:22px;padding:30px 28px 26px;border-radius:20px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow)}.auth-brand{display:flex;align-items:center;gap:14px}.auth-brand h1{font-size:22px}.auth-brand p{margin-top:4px;color:var(--muted);font-size:12px}.auth-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:6px;padding:5px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border)}.auth-tabs button{padding:9px 14px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-weight:600;cursor:pointer}.auth-tabs button.active{background:var(--surface);color:var(--text);box-shadow:0 2px 8px #10182814}.auth-form{display:grid;gap:16px}.auth-submit{width:100%;justify-content:center}.auth-foot{text-align:center}.user-chip{display:inline-flex;align-items:center;gap:10px;padding:4px 4px 4px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface)}.user-name{font-size:13px;font-weight:600}.breadcrumbs{margin-top:18px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px}.crumb{border:0;background:transparent;color:var(--accent);padding:2px 4px;cursor:pointer;font-size:13px}.crumb-sep{color:var(--muted)}.folder-toolbar{margin-top:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.folder-grid{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.folder-card{display:grid;gap:12px;padding:14px;border-radius:14px;border:1px solid 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span{font-size:26px;font-weight:700;color:var(--accent)}.plan-card ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.9}.plan-card .btn{margin-top:auto}@media(max-width:640px){.inline-form{grid-template-columns:1fr}.inline-form .field.action label{display:none}}