:root{color:#17343d;background:#f4f7f8;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5;font-weight:400;--accent: #00c4cc;--accent2: #00a0a8;--accent-soft: #e8fbfc;--accent-ink: #007980}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#f8fbfc,#eef4f6)}button,input,select{font:inherit}#root{min-height:100vh}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;justify-content:space-between;align-items:center;padding:18px 28px;background:#ffffffeb;border-bottom:1px solid #dbe7ea;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand{display:flex;gap:14px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid #dbe7ea;overflow:hidden}.brand-mark img{width:28px;height:28px;object-fit:contain;display:block}.brand h1,.form-panel-header h2,.modal-header 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#e3edf0;border-radius:14px;background:#f9fcfd;cursor:pointer}.product-picker-item.is-selected{border-color:#bfe9e5;background:var(--accent-soft)}.product-picker-item strong,.product-picker-item span,.product-picker-item em{display:block}.product-picker-item span{color:#5f7b84;margin-top:2px}.product-picker-item em{margin-top:6px;font-style:normal;color:#17343d;font-weight:600}.modal-footer-actions{margin-top:18px;display:flex;justify-content:flex-end}.add-product-modal{width:min(640px,100%)}@media(max-width:980px){.workspace{grid-template-columns:1fr}.form-panel{max-height:none}.help-grid{grid-template-columns:1fr}.app-header{flex-wrap:wrap;gap:12px}.quote-meta-grid{grid-template-columns:1fr}.quote-meta-span{grid-column:span 1}.quote-card-header{flex-direction:column}.product-filters{grid-template-columns:1fr}}.auth-gate{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#f8fbfc,#eef4f6)}.auth-card{width:min(420px,100%);background:#fff;border:1px solid #dbe7ea;border-radius:22px;box-shadow:0 18px 40px #17343d14;padding:36px 28px;text-align:center}.auth-logo{width:56px;height:56px;object-fit:contain;margin-bottom:12px}.auth-card h1{margin:0;color:var(--accent);letter-spacing:.06em;font-size:1.45rem}.auth-subtitle{margin:6px 0 16px;color:#5d7b84;font-weight:600}.auth-card p{color:#5d7b84;line-height:1.55}.auth-error{color:#b42318!important;background:#fef3f2;border-radius:12px;padding:8px 10px}.auth-hint{margin-top:16px;font-size:.82rem;color:#8aa0a8!important}.header-user{font-size:.88rem;color:#5d7b84;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}