:root{--color-bg:#f6f7fb;--color-sidebar-bg:#fff;--color-accent:#6c5ce7;--color-accent-dark:#5a4bd6;--color-accent-light:#eef0ff;--color-text:#1f2430;--color-text-muted:#6b7280;--color-border:#e7e8f0;--color-card-bg:#fff;--shadow-sm:0 1px 2px #1018280f;--shadow-md:0 4px 14px #10182814}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);font-family:Segoe UI,system-ui,-apple-system,sans-serif}.app-shell{min-height:100vh;display:flex}.login-screen{flex:1;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--color-card-bg);border:1px solid var(--color-border);box-shadow:var(--shadow-md);text-align:center;border-radius:16px;max-width:380px;padding:40px 48px}.login-card .brand-icon{background:var(--color-accent);color:#fff;border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 16px;display:flex}.login-card h1{margin:0 0 8px;font-size:20px}.login-card p{color:var(--color-text-muted);margin:0 0 20px;font-size:14px}.login-button{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:12px 24px;font-size:15px;font-weight:600}.login-button:hover{background:var(--color-accent-dark)}.sidebar{background:var(--color-sidebar-bg);border-right:1px solid var(--color-border);flex-direction:column;flex-shrink:0;width:250px;height:100vh;padding:20px 14px;display:flex;position:sticky;top:0}.sidebar-brand{align-items:center;gap:10px;padding:4px 8px 20px;display:flex}.sidebar-brand .brand-icon{background:var(--color-accent);color:#fff;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.sidebar-brand .brand-text strong{font-size:15px;line-height:1.2;display:block}.sidebar-brand .brand-text 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0;border:none;padding:0;font-size:12px}.sidebar-logout{color:#b91c1c;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:13.5px;display:flex}.sidebar-logout:hover{background:#fef2f2}.main-area{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{border-bottom:1px solid var(--color-border);background:var(--color-sidebar-bg);justify-content:flex-end;align-items:center;gap:18px;padding:16px 32px;display:flex}.topbar-help{color:var(--color-text-muted);align-items:center;gap:6px;font-size:13.5px;display:flex}.topbar-bell{color:var(--color-text-muted);position:relative}.topbar-bell .badge{color:#fff;background:#ef4444;border-radius:999px;justify-content:center;align-items:center;width:15px;height:15px;font-size:10px;display:flex;position:absolute;top:-4px;right:-4px}.topbar-user{cursor:pointer;align-items:center;gap:10px;display:flex}.topbar-user .avatar{background:var(--color-accent-light);width:34px;height:34px;color:var(--color-accent-dark);border-radius:999px;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.topbar-user .name-block{font-size:13px;line-height:1.25}.topbar-user .name-block strong{display:block}.topbar-user .name-block span{color:var(--color-text-muted);font-size:11.5px}.page-content{flex:1;width:100%;max-width:980px;margin:0 auto;padding:40px 32px 60px}.hero-title{text-align:center;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:26px;font-weight:700;display:flex}.hero-title svg{color:var(--color-accent)}.hero-subtitle{text-align:center;color:var(--color-text-muted);max-width:560px;margin:0 auto 28px;font-size:14px}.query-card{background:var(--color-card-bg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:16px;padding:18px 20px}.query-textarea-row{align-items:flex-start;gap:10px;display:flex}.query-textarea{resize:none;min-height:48px;color:var(--color-text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14.5px}.query-textarea::placeholder{color:#9aa0ad}.query-actions-row{border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;margin-top:12px;padding-top:12px;display:flex}.query-actions-left{gap:10px;display:flex}.btn-ghost{border:1px solid var(--color-border);color:var(--color-text);cursor:pointer;background:#f6f7fb;border-radius:9px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;display:flex}.btn-ghost:hover{background:#eef0f5}.btn-primary{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:9px;align-items:center;gap:8px;padding:9px 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a{color:var(--color-accent);cursor:pointer;font-size:12.5px;text-decoration:none}.reports-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;display:grid}.report-card{background:var(--color-card-bg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:12px;padding:16px}.report-card .icon-badge{border-radius:9px;justify-content:center;align-items:center;width:34px;height:34px;margin-bottom:10px;display:flex}.report-card .title{margin-bottom:4px;font-size:13.5px;font-weight:600;line-height:1.3}.report-card .meta{color:var(--color-text-muted);margin-bottom:12px;font-size:11.5px}.report-card .row{justify-content:space-between;align-items:center;display:flex}.report-card .open-btn{border:1px solid var(--color-border);cursor:pointer;background:0 0;border-radius:7px;padding:6px 12px;font-size:12px}.report-card .open-btn:hover{border-color:var(--color-accent);color:var(--color-accent-dark)}.report-card .more-btn{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none}.placeholder-page{text-align:center;color:var(--color-text-muted);padding:100px 20px}.placeholder-page svg{color:var(--color-accent);margin-bottom:14px}.placeholder-page h2{color:var(--color-text);margin-bottom:6px;font-size:18px}.chat-result{margin-top:20px}.chat-bubble{white-space:pre-wrap;border-radius:12px;max-width:100%;padding:14px 18px;font-size:14px;line-height:1.5}.chat-bubble.user{background:var(--color-accent-light);color:var(--color-accent-dark);margin-bottom:10px}.chat-bubble.assistant{background:var(--color-card-bg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.report-table{border-collapse:collapse;width:100%;margin-top:12px;font-size:12.5px}.report-table th,.report-table td{border:1px solid var(--color-border);text-align:left;padding:7px 10px}.report-table th{background:#f9f9fc}.toast{color:#fff;box-shadow:var(--shadow-md);z-index:100;background:#1f2430;border-radius:10px;padding:10px 18px;font-size:13px;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}*{margin:0;padding:0}html,body,#root{height:100%}body{font-size:15px;line-height:1.5}