@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--font-primary:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.3s cubic-bezier(.4, 0, .2, 1);--transition-slow:.5s cubic-bezier(.4, 0, .2, 1);--sidebar-width:260px;--sidebar-collapsed:72px;--header-height:64px;--shadow-sm:0 1px 3px #0000001f;--shadow-md:0 4px 12px #00000026;--shadow-lg:0 8px 30px #0003;--shadow-xl:0 20px 60px #0000004d;--shadow-glow:0 0 40px #00b4ff26}[data-theme=dark]{--bg-primary:#0a0e14;--bg-secondary:#0f1419;--bg-tertiary:#151b23;--bg-card:#121821d9;--bg-card-hover:#161e2af2;--bg-input:#0f141ce6;--bg-sidebar:#0a0e14f2;--text-primary:#e8ecf1;--text-secondary:#8b97a8;--text-tertiary:#5c6a7a;--text-accent:#00d4ff;--border-color:#ffffff0f;--border-active:#00b4ff4d;--accent-primary:#1a56db;--accent-secondary:#00d4ff;--accent-gradient:linear-gradient(135deg, #1a56db 0%, #00d4ff 100%);--accent-gradient-soft:linear-gradient(135deg, #1a56db26 0%, #00d4ff14 100%);--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--glass-bg:#0f141cb3;--glass-border:#ffffff14;--glass-shadow:0 8px 32px #0000004d;--chart-1:#1a56db;--chart-2:#00d4ff;--chart-3:#10b981;--chart-4:#f59e0b;--chart-5:#ef4444;--chart-6:#8b5cf6;--scrollbar-track:#0f1419;--scrollbar-thumb:#2a3544}[data-theme=light]{--bg-primary:#f5f7fa;--bg-secondary:#fff;--bg-tertiary:#edf0f5;--bg-card:#ffffffe6;--bg-card-hover:#fff;--bg-input:#f5f7fae6;--bg-sidebar:#fffffff7;--text-primary:#0f1419;--text-secondary:#5c6a7a;--text-tertiary:#8b97a8;--text-accent:#1a56db;--border-color:#00000014;--border-active:#1a56db66;--accent-primary:#1a56db;--accent-secondary:#08c;--accent-gradient:linear-gradient(135deg, #1a56db 0%, #08c 100%);--accent-gradient-soft:linear-gradient(135deg, #1a56db14 0%, #0088cc0a 100%);--success:#059669;--warning:#d97706;--danger:#dc2626;--info:#2563eb;--glass-bg:#ffffffbf;--glass-border:#0000000f;--glass-shadow:0 8px 32px #00000014;--chart-1:#1a56db;--chart-2:#08c;--chart-3:#059669;--chart-4:#d97706;--chart-5:#dc2626;--chart-6:#7c3aed;--scrollbar-track:#f0f2f5;--scrollbar-thumb:#c8d0da;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-primary);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.app-layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);padding-top:var(--header-height);min-height:100vh;transition:margin-left var(--transition-normal);flex:1}.page-container{padding:var(--space-8);max-width:1400px;margin:0 auto;animation:.4s ease-out fadeInUp}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideRight{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{to{transform:rotate(360deg)}}.page-header{margin-bottom:var(--space-8)}.page-header h1{background:var(--accent-gradient);-webkit-text-fill-color:transparent;margin-bottom:var(--space-1);-webkit-background-clip:text;background-clip:text;font-size:1.75rem;font-weight:800}.page-header p{color:var(--text-secondary);font-size:.9rem}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;height:100vh;transition:width var(--transition-normal);flex-direction:column;display:flex;position:fixed;top:0;left:0;overflow:hidden}.sidebar-brand{padding:var(--space-5) var(--space-5);border-bottom:1px solid var(--border-color);align-items:center;gap:var(--space-3);min-height:var(--header-height);display:flex}.sidebar-brand-icon{background:var(--accent-gradient);border-radius:var(--radius-md);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;font-weight:800;display:flex;box-shadow:0 4px 15px #1a56db4d}.sidebar-brand-text{flex-direction:column;display:flex}.sidebar-brand-text h2{color:var(--text-primary);font-size:.95rem;font-weight:700;line-height:1.2}.sidebar-brand-text span{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:1.5px;font-size:.65rem;font-weight:500}.sidebar-nav{padding:var(--space-4) var(--space-3);gap:var(--space-1);flex-direction:column;flex:1;display:flex;overflow-y:auto}.sidebar-section-label{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-tertiary);padding:var(--space-4) var(--space-3) var(--space-2);font-size:.65rem;font-weight:600}.nav-item{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;width:100%;font-size:.85rem;font-weight:500;text-decoration:none;display:flex;position:relative}.nav-item:hover{background:var(--accent-gradient-soft);color:var(--text-primary)}.nav-item.active{background:var(--accent-gradient-soft);color:var(--text-accent);font-weight:600}.nav-item.active:before{content:"";background:var(--accent-gradient);border-radius:0 3px 3px 0;width:3px;height:60%;position:absolute;top:50%;left:0;transform:translateY(-50%)}.nav-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:1.1rem;display:flex}.sidebar-footer{padding:var(--space-4);border-top:1px solid var(--border-color)}.header{top:0;left:var(--sidebar-width);height:var(--header-height);background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);padding:0 var(--space-8);z-index:90;transition:left var(--transition-normal);justify-content:space-between;align-items:center;display:flex;position:fixed;right:0}.header-left{align-items:center;gap:var(--space-4);display:flex}.header-project-name{color:var(--text-primary);font-size:.95rem;font-weight:600}.header-project-status{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.5px;padding:2px 10px;font-size:.7rem;font-weight:600}.header-project-status.draft{color:var(--warning);background:#f59e0b26}.header-project-status.in-progress{color:var(--info);background:#3b82f626}.header-project-status.completed{color:var(--success);background:#10b98126}.header-right{align-items:center;gap:var(--space-3);display:flex}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal);position:relative;overflow:hidden}.card:before{content:"";background:linear-gradient(90deg, transparent, var(--border-active), transparent);opacity:0;height:1px;transition:opacity var(--transition-normal);position:absolute;top:0;left:0;right:0}.card:hover{border-color:var(--border-active);box-shadow:var(--shadow-lg)}.card:hover:before{opacity:1}.card-glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.stat-card{position:relative;overflow:hidden}.stat-card .stat-icon{border-radius:var(--radius-md);width:48px;height:48px;margin-bottom:var(--space-4);justify-content:center;align-items:center;font-size:1.4rem;display:flex}.stat-card .stat-value{font-size:1.8rem;font-weight:800;font-family:var(--font-mono);color:var(--text-primary);line-height:1.2}.stat-card .stat-label{color:var(--text-secondary);margin-top:var(--space-1);font-size:.8rem;font-weight:500}.stat-card .stat-bg-icon{opacity:.04;font-size:5rem;position:absolute;bottom:-10px;right:-10px}.stat-card.blue .stat-icon{color:var(--accent-primary);background:#1a56db26}.stat-card.cyan .stat-icon{color:var(--accent-secondary);background:#00d4ff26}.stat-card.green .stat-icon{color:var(--success);background:#10b98126}.stat-card.orange .stat-icon{color:var(--warning);background:#f59e0b26}.btn{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-5);border-radius:var(--radius-md);font-family:var(--font-primary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #0000;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent-gradient);color:#fff;border:none;box-shadow:0 4px 15px #1a56db4d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 25px #1a56db73}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--border-active);background:var(--bg-card-hover)}.btn-outline{color:var(--accent-primary);border:1px solid var(--accent-primary);background:0 0}.btn-outline:hover{background:#1a56db1a}.btn-danger{background:var(--danger);color:#fff;border:none}.btn-danger:hover{background:#dc2626;box-shadow:0 4px 15px #ef44444d}.btn-success{background:var(--success);color:#fff;border:none}.btn-success:hover{box-shadow:0 4px 15px #10b9814d}.btn-sm{padding:var(--space-1) var(--space-3);font-size:.78rem}.btn-lg{padding:var(--space-3) var(--space-8);font-size:.95rem}.btn-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:36px;height:36px;padding:0;display:flex}.form-group{margin-bottom:var(--space-5)}.form-label{color:var(--text-secondary);margin-bottom:var(--space-2);text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;font-weight:600;display:block}.form-input,.form-select,.form-textarea{width:100%;padding:var(--space-3) var(--space-4);background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-primary);transition:all var(--transition-fast);outline:none;font-size:.88rem}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #1a56db26}.form-input::placeholder{color:var(--text-tertiary)}.form-input-number{font-family:var(--font-mono);text-align:right}.form-textarea{resize:vertical;min-height:100px}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238b97a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:36px}.form-row{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.form-inline{align-items:center;gap:var(--space-3);display:flex}.toggle-switch{flex-shrink:0;width:48px;height:26px;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-full);transition:var(--transition-fast);position:absolute;inset:0}.toggle-slider:before{content:"";width:20px;height:20px;transition:var(--transition-fast);background:#fff;border-radius:50%;position:absolute;bottom:2px;left:2px;box-shadow:0 2px 4px #0003}.toggle-switch input:checked+.toggle-slider{background:var(--accent-primary);border-color:var(--accent-primary)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(22px)}.data-table{border-collapse:collapse;width:100%;font-size:.85rem}.data-table thead th{padding:var(--space-3) var(--space-4);text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);border-bottom:2px solid var(--border-color);white-space:nowrap;font-size:.75rem;font-weight:600}.data-table tbody td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-color);color:var(--text-primary);vertical-align:middle}.data-table tbody tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--accent-gradient-soft)}.data-table .col-number{font-family:var(--font-mono);text-align:right;font-weight:500}.data-table .col-action{text-align:center;width:50px}.file-dropzone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:var(--space-12) var(--space-8);text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-card);position:relative;overflow:hidden}.file-dropzone:before{content:"";background:var(--accent-gradient-soft);opacity:0;transition:opacity 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0;border:none;font-size:.85rem;font-weight:500;position:relative}.tab-button:hover{color:var(--text-primary)}.tab-button.active{color:var(--accent-primary);font-weight:600}.tab-button.active:after{content:"";background:var(--accent-gradient);border-radius:2px 2px 0 0;height:2px;position:absolute;bottom:-1px;left:0;right:0}.badge{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:4px;padding:2px 10px;font-size:.72rem;font-weight:600;display:inline-flex}.badge-primary{color:var(--accent-primary);background:#1a56db26}.badge-success{color:var(--success);background:#10b98126}.badge-warning{color:var(--warning);background:#f59e0b26}.badge-danger{color:var(--danger);background:#ef444426}.badge-info{color:var(--info);background:#3b82f626}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:200;background:#0009;justify-content:center;align-items:center;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);width:90%;max-width:600px;max-height:85vh;box-shadow:var(--shadow-xl);animation:.3s ease-out scaleIn;overflow-y:auto}.modal-header{padding:var(--space-6);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;display:flex}.modal-header h3{font-size:1.1rem;font-weight:700}.modal-body{padding:var(--space-6)}.modal-footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-color);justify-content:flex-end;gap:var(--space-3);display:flex}.toast-container{top:calc(var(--header-height) + var(--space-4));right:var(--space-4);z-index:999;gap:var(--space-2);flex-direction:column;display:flex;position:fixed}.toast{padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);align-items:center;gap:var(--space-3);box-shadow:var(--shadow-lg);min-width:280px;font-size:.85rem;font-weight:500;animation:.3s ease-out slideRight;display:flex}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}.toast-warning{background:var(--warning);color:#fff}.toast-info{background:var(--info);color:#fff}.spinner{border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.spinner-lg{width:40px;height:40px}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-card) 50%, var(--bg-tertiary) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}.grid-2{gap:var(--space-6);grid-template-columns:repeat(2,1fr);display:grid}.grid-3{gap:var(--space-6);grid-template-columns:repeat(3,1fr);display:grid}.grid-4{gap:var(--space-6);grid-template-columns:repeat(4,1fr);display:grid}.analysis-panel{border-left:3px solid var(--accent-primary);padding-left:var(--space-4)}.analysis-confidence{align-items:center;gap:var(--space-2);margin-top:var(--space-2);display:flex}.confidence-bar{background:var(--bg-tertiary);border-radius:3px;flex:1;height:6px;overflow:hidden}.confidence-fill{height:100%;transition:width var(--transition-slow);border-radius:3px}.confidence-fill.high{background:var(--success)}.confidence-fill.medium{background:var(--warning)}.confidence-fill.low{background:var(--danger)}.empty-state{text-align:center;padding:var(--space-16) var(--space-8);color:var(--text-tertiary)}.empty-state-icon{margin-bottom:var(--space-4);opacity:.3;font-size:4rem}.empty-state h3{color:var(--text-secondary);margin-bottom:var(--space-2);font-size:1.1rem}.empty-state p{max-width:400px;margin:0 auto;font-size:.85rem}.boq-section{margin-bottom:var(--space-6)}.boq-section-header{padding:var(--space-3) var(--space-4);background:var(--accent-gradient-soft);border-radius:var(--radius-md) var(--radius-md) 0 0;border:1px solid var(--border-color);border-bottom:none;justify-content:space-between;align-items:center;display:flex}.boq-section-title{color:var(--text-primary);font-size:.9rem;font-weight:700}.boq-subtotal{font-family:var(--font-mono);color:var(--accent-primary);font-weight:700}.boq-grand-total{padding:var(--space-5) var(--space-6);background:var(--accent-gradient);border-radius:var(--radius-lg);color:#fff;margin-top:var(--space-6);justify-content:space-between;align-items:center;display:flex}.boq-grand-total h3{font-size:1rem;font-weight:700}.boq-grand-total .total-value{font-size:1.6rem;font-weight:800;font-family:var(--font-mono)}.chart-container{height:300px;padding:var(--space-4);position:relative}.gantt-container{position:relative;overflow-x:auto}.gantt-row{border-bottom:1px solid var(--border-color);align-items:center;height:40px;display:flex}.gantt-label{width:200px;padding:0 var(--space-3);flex-shrink:0;font-size:.82rem;font-weight:500}.gantt-bar-container{flex:1;height:100%;position:relative}.gantt-bar{border-radius:var(--radius-sm);opacity:.85;height:24px;transition:opacity var(--transition-fast);position:absolute;top:8px}.gantt-bar:hover{opacity:1}@media (max-width:1200px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.header{left:0}.page-container{padding:var(--space-4)}.grid-2,.grid-3,.grid-4,.form-row{grid-template-columns:1fr}.boq-grand-total{text-align:center;gap:var(--space-2);flex-direction:column}}@media print{.sidebar,.header,.btn,.nav-item{display:none!important}.main-content{margin-left:0!important;padding-top:0!important}.card{box-shadow:none;break-inside:avoid;border:1px solid #ddd}body{color:#000;background:#fff}}.theme-toggle{border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;width:40px;height:40px;transition:all var(--transition-fast);color:var(--text-secondary);justify-content:center;align-items:center;font-size:1.1rem;display:flex}.theme-toggle:hover{border-color:var(--border-active);color:var(--text-accent);transform:rotate(15deg)}.api-key-input{gap:var(--space-3);align-items:center;display:flex}.api-key-input input{flex:1}.drawing-preview{border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-tertiary);justify-content:center;align-items:center;min-height:300px;display:flex;position:relative;overflow:hidden}.drawing-preview img{object-fit:contain;max-width:100%;max-height:500px}.coming-soon{position:relative}.coming-soon:after{content:"COMING SOON";top:var(--space-2);right:var(--space-2);background:var(--accent-gradient);color:#fff;border-radius:var(--radius-full);letter-spacing:1px;padding:2px 8px;font-size:.6rem;font-weight:700;position:absolute}.text-center{text-align:center}.text-right{text-align:right}.text-mono{font-family:var(--font-mono)}.text-accent{color:var(--text-accent)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger)}.text-muted{color:var(--text-tertiary)}.font-bold{font-weight:700}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.flex-col{flex-direction:column}.flex-1{flex:1}.w-full{width:100%}