@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");*,:after,:before{margin:0;padding:0;box-sizing:border-box}:root{--brand-red:#e63946;--brand-red-hover:#d62828;--brand-red-glow:rgba(230,57,70,.2);--brand-blue:#1d3557;--brand-blue-light:#457b9d;--brand-blue-hover:#142844;--brand-white:#fff;--brand-offwhite:#f1faee;--bg-primary:var(--brand-offwhite);--bg-secondary:#e2e8f0;--bg-card:hsla(0,0%,100%,.85);--bg-card-hover:#fff;--border-subtle:rgba(29,53,87,.1);--border-accent:rgba(230,57,70,.3);--text-primary:var(--brand-blue);--text-secondary:#475569;--text-muted:#64748b;--accent:var(--brand-red);--accent-light:#ff6b6b;--accent-glow:var(--brand-red-glow);--warning:#f59e0b;--error:#ef4444;--gradient-accent:linear-gradient(135deg,var(--brand-red),#ff4d4d);--gradient-bg:radial-gradient(ellipse at 20% 0%,rgba(29,53,87,.05) 0%,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(230,57,70,.05) 0%,transparent 50%);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 8px rgba(0,0,0,.05);--shadow-md:0 4px 24px rgba(0,0,0,.08);--shadow-lg:0 8px 48px rgba(0,0,0,.12);--shadow-glow:0 0 40px rgba(230,57,70,.15);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:400ms cubic-bezier(0.4,0,0.2,1)}[data-theme=dark]{--bg-primary:#0a111a;--bg-secondary:#111a26;--bg-card:rgba(14,23,38,.8);--bg-card-hover:rgba(21,32,51,.9);--border-subtle:hsla(0,0%,100%,.08);--border-accent:rgba(230,57,70,.4);--text-primary:var(--brand-offwhite);--text-secondary:#94a3b8;--text-muted:#64748b;--gradient-bg:radial-gradient(ellipse at 20% 0%,rgba(69,123,157,.15) 0%,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(230,57,70,.1) 0%,transparent 50%);--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow-md:0 4px 24px rgba(0,0,0,.4);--shadow-lg:0 8px 48px 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var(--border-subtle);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-md);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.glass-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-md),var(--shadow-glow)}.upload-zone{border:2px dashed rgba(99,102,241,.25);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.upload-zone:before{content:"";position:absolute;inset:0;background:var(--accent-glow);opacity:0;transition:opacity var(--transition-base)}.upload-zone.drag-over,.upload-zone:hover{border-color:var(--accent);transform:translateY(-2px)}.upload-zone.drag-over:before,.upload-zone:hover:before{opacity:1}.upload-icon{width:56px;height:56px;margin:0 auto 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2rem;font-size:.95rem;font-weight:600;font-family:inherit;color:#fff;background:var(--gradient-accent);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);box-shadow:0 4px 16px rgba(99,102,241,.3);width:100%;margin-top:1.5rem}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 24px rgba(99,102,241,.45)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.config-panel{margin-top:1.5rem;padding:1rem;background:rgba(29,53,87,.05);border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:left}[data-theme=dark] .config-panel{background:hsla(0,0%,100%,.03)}.pro-badge{display:inline-block;background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff;font-size:.6rem;font-weight:800;text-transform:uppercase;padding:.15rem .4rem;border-radius:12px;margin-left:.5rem;letter-spacing:.05em;box-shadow:0 2px 8px rgba(239,68,68,.3);vertical-align:middle}.config-group{margin-bottom:1rem}.config-label{font-size:.9rem}.config-select{padding:.5rem;background:var(--bg-main);transition:all .2s}.config-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(228,0,43,.1)}.config-select:disabled{opacity:.5;cursor:not-allowed;background-color:var(--bg-alt)}.toggle-switch{width:50px;height:26px}.slider{background-color:#ccc;border-radius:34px}.slider:before{left:4px;bottom:4px}input:checked+.slider{background-color:var(--primary)}input:checked+.slider:before{transform:translateX(24px)}input:disabled+.slider{opacity:.5;cursor:not-allowed}.config-group:last-child{margin-bottom:0}.config-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.config-select{width:100%;padding:.75rem 1rem;background:var(--bg-primary);color:var(--text-primary);border:1px solid 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var(--border-subtle);color:var(--text-primary);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.theme-toggle:hover{transform:scale(1.05);border-color:var(--accent);color:var(--accent)}.auth-buttons{display:flex;align-items:center}.btn-signin{padding:.5rem 1.25rem;font-size:.875rem;font-weight:600;font-family:inherit;color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:24px;cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-signin:hover{background:rgba(230,57,70,.05);border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.loading-overlay{display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding:3rem 2rem}.spinner{width:48px;height:48px;border:3px solid var(--border-subtle);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.loading-text{color:var(--text-secondary);font-size:.95rem;text-align:center}.loading-text strong{color:var(--text-primary);display:block;margin-bottom:.25rem}.boq-results{animation:fadeInUp .5s var(--transition-base)}.boq-results .section-title{font-size:1.25rem;font-weight:700;margin-bottom:.25rem}.boq-results .section-subtitle{color:var(--text-muted);font-size:.85rem;margin-bottom:1.5rem}.boq-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:.75rem;gap:.75rem;margin-bottom:1.5rem}.meta-chip{padding:.75rem 1rem;background:hsla(0,0%,100%,.03);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);text-align:center}.meta-chip .meta-label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.25rem}.meta-chip .meta-value{font-size:1rem;font-weight:600;color:var(--text-primary)}.boq-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:.5rem}.boq-table thead th{padding:.75rem 1rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);text-align:left;border-bottom:1px solid var(--border-subtle)}.boq-table thead th:last-child{text-align:right}.boq-table tbody td{padding:1rem;font-size:.95rem;border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast)}.boq-table tbody tr:hover td{background:hsla(0,0%,100%,.02)}.boq-table tbody td:last-child{text-align:right;font-weight:500;color:var(--accent-light)}.boq-table tbody td .item-icon{margin-right:.5rem}.confidence-note{margin-top:1.25rem;padding:.75rem 1rem;background:rgba(245,158,11,.06);border-left:3px solid var(--warning);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.85rem;color:var(--text-secondary)}.confidence-note strong{color:var(--warning)}.btn-reset{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.5rem;padding:.625rem 1.5rem;font-size:.85rem;font-weight:500;font-family:inherit;color:var(--text-secondary);background:transparent;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.btn-reset:hover{color:var(--text-primary);border-color:var(--border-accent);background:rgba(99,102,241,.05)}.btn-success{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.5rem;padding:.625rem 1.5rem;font-size:.85rem;font-weight:500;font-family:inherit;color:#fff;background:#10b981;border:1px solid #059669;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn-success:hover{background:#059669;transform:translateY(-1px)}.action-buttons-row{display:flex;gap:1rem;align-items:center;justify-content:flex-start;flex-wrap:wrap}.error-banner{margin-top:1rem;padding:.875rem 1rem;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-sm);color:var(--error);font-size:.85rem}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:640px){.app-header h1{font-size:1.75rem}.glass-card{padding:1.25rem}.upload-zone{padding:2rem 1rem}.boq-meta{grid-template-columns:repeat(2,1fr)}.boq-table tbody td,.boq-table thead th{padding:.625rem .5rem;font-size:.85rem}}@media print{body{background:transparent!important;color:#000!important;-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}.app-container{padding:0!important;background:none!important}.glass-card{box-shadow:none!important;border:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;background:#fff!important;padding:0!important}.action-buttons-row,.btn-reset,.btn-success,.theme-toggle{display:none!important}.boq-meta{gap:.5rem}.meta-chip{page-break-inside:avoid;break-inside:avoid;border:1px solid #eee}.boq-table{border-collapse:collapse;width:100%}.boq-table td,.boq-table th{border-bottom:1px solid #ddd!important}}