:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-secondary: #10b981;--color-accent: #f59e0b;--color-danger: #ef4444;--color-danger-light: #fecaca;--color-success: #22c55e;--color-warning: #eab308;--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-bg-card: #1e293b;--color-bg-card-hover: #273548;--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: #334155;--color-border-light: #475569;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .25);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4), 0 4px 6px -4px rgb(0 0 0 / .4);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{width:280px;background:linear-gradient(180deg,var(--color-bg-secondary) 0%,var(--color-bg-primary) 100%);border-right:1px solid var(--color-border);display:flex;flex-direction:column;position:fixed;height:100vh;z-index:100}.sidebar-header{padding:1.5rem;border-bottom:1px solid var(--color-border)}.sidebar-logo{display:flex;align-items:center;gap:.75rem}.sidebar-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:var(--shadow-glow)}.sidebar-logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--color-text-primary) 0%,var(--color-primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-nav{flex:1;padding:1rem;overflow-y:auto}.nav-section{margin-bottom:1.5rem}.nav-section-title{font-size:.75rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;padding:.5rem .75rem}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.75rem;border-radius:var(--radius-md);color:var(--color-text-secondary);transition:all var(--transition-fast);margin-bottom:.25rem}.nav-link:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.nav-link.active{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;box-shadow:var(--shadow-glow)}.nav-link-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center}.main-content{flex:1;margin-left:280px;padding:2rem;min-height:100vh}.page-header{margin-bottom:2rem}.page-title{font-size:2rem;font-weight:700;color:var(--color-text-primary);margin-bottom:.5rem}.page-subtitle{color:var(--color-text-secondary);font-size:1rem}.page-actions{display:flex;gap:1rem;margin-top:1.5rem}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;transition:all var(--transition-normal)}.card:hover{border-color:var(--color-border-light);box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.card-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary)}.card-description{color:var(--color-text-secondary);font-size:.875rem;margin-top:.25rem}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:1200px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:500;font-size:.875rem;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-card-hover);border-color:var(--color-border-light)}.btn-success{background:linear-gradient(135deg,var(--color-secondary) 0%,#059669 100%);color:#fff}.btn-danger{background:linear-gradient(135deg,var(--color-danger) 0%,#dc2626 100%);color:#fff}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-md)}.btn-sm{padding:.5rem 1rem;font-size:.8125rem}.btn-lg{padding:1rem 2rem;font-size:1rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-primary);margin-bottom:.5rem}.form-label-required:after{content:"*";color:var(--color-danger);margin-left:.25rem}.form-input{width:100%;padding:.75rem 1rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:.875rem;transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f133}.form-input::placeholder{color:var(--color-text-muted)}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1.25rem;padding-right:2.5rem}.form-textarea{min-height:120px;resize:vertical}.form-checkbox-wrapper{display:flex;align-items:center;gap:.75rem}.form-checkbox{width:1.125rem;height:1.125rem;accent-color:var(--color-primary)}.form-hint{font-size:.75rem;color:var(--color-text-muted);margin-top:.375rem}.form-error{font-size:.75rem;color:var(--color-danger);margin-top:.375rem}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-primary{background:#6366f133;color:var(--color-primary-light)}.badge-success{background:#22c55e33;color:var(--color-success)}.badge-warning{background:#eab30833;color:var(--color-warning)}.badge-danger{background:#ef444433;color:var(--color-danger)}.badge-secondary{background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.toggle-wrapper{display:flex;align-items:center;gap:.75rem}.toggle{position:relative;width:48px;height:26px;appearance:none;background:var(--color-bg-tertiary);border-radius:9999px;cursor:pointer;transition:all var(--transition-fast)}.toggle:before{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;background:var(--color-text-secondary);border-radius:50%;transition:all var(--transition-fast)}.toggle:checked{background:var(--color-primary)}.toggle:checked:before{left:25px;background:#fff}.modal-overlay{position:fixed;inset:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;padding:2rem;animation:fadeIn var(--transition-fast)}.modal{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp var(--transition-normal)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--color-border)}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);color:var(--color-text-secondary);transition:all var(--transition-fast)}.modal-close:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.modal-body{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;padding:1.5rem;border-top:1px solid var(--color-border)}.tabs{display:flex;gap:.5rem;border-bottom:1px solid var(--color-border);margin-bottom:1.5rem}.tab{padding:.75rem 1rem;color:var(--color-text-secondary);font-weight:500;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all var(--transition-fast)}.tab:hover{color:var(--color-text-primary)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.draggable-item{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1rem;margin-bottom:.5rem;cursor:grab;transition:all var(--transition-fast)}.draggable-item:hover{border-color:var(--color-border-light)}.draggable-item.dragging{opacity:.5;cursor:grabbing}.drag-handle{display:flex;flex-direction:column;gap:2px;width:12px;cursor:grab;padding:.25rem}.drag-handle span{display:block;width:100%;height:2px;background:var(--color-text-muted);border-radius:1px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center}.empty-state-icon{width:64px;height:64px;background:var(--color-bg-tertiary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1.5rem}.empty-state-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin-bottom:.5rem}.empty-state-description{color:var(--color-text-secondary);max-width:400px;margin-bottom:1.5rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-pulse{animation:pulse 2s ease-in-out infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-light)}.text-center{text-align:center}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.devis-card{position:relative;overflow:hidden}.devis-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-secondary) 100%);opacity:0;transition:opacity var(--transition-normal)}.devis-card:hover:before{opacity:1}.devis-card-stats{display:flex;gap:1.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border)}.devis-stat{display:flex;align-items:center;gap:.5rem;color:var(--color-text-secondary);font-size:.875rem}.devis-stat-icon{color:var(--color-text-muted)}.preview-container{background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem}.preview-title{font-size:1.5rem;font-weight:600;margin-bottom:1.5rem;color:var(--color-text-primary)}.spinner{width:40px;height:40px;border:3px solid var(--color-bg-tertiary);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{position:fixed;inset:0;background:#0f172ae6;display:flex;align-items:center;justify-content:center;z-index:9999}.calculation-result{background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg-tertiary) 100%);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-top:1.5rem}.calculation-row{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;border-bottom:1px solid var(--color-border)}.calculation-row:last-child{border-bottom:none}.calculation-row.total{font-size:1.25rem;font-weight:600;color:var(--color-primary-light);margin-top:.5rem;padding-top:1rem;border-top:2px solid var(--color-primary);border-bottom:none}.calculation-label{color:var(--color-text-secondary)}.calculation-value{color:var(--color-text-primary);font-weight:500}@media(max-width:1024px){.sidebar{transform:translate(-100%);transition:transform var(--transition-normal)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,var(--color-bg-primary) 0%,#0c1222 100%);position:relative;overflow:hidden}.auth-container:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 30%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 70% 70%,rgba(16,185,129,.08) 0%,transparent 50%);animation:authBgMove 20s ease-in-out infinite alternate}@keyframes authBgMove{0%{transform:translate(0)}to{transform:translate(5%,5%)}}.auth-card{width:100%;max-width:420px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:2.5rem;position:relative;z-index:1;box-shadow:var(--shadow-lg),0 0 60px #6366f11a;animation:slideUp var(--transition-slow)}.auth-header{text-align:center;margin-bottom:2rem}.auth-logo{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-bottom:1rem}.auth-logo-icon{font-size:3rem;filter:drop-shadow(0 0 10px rgba(99,102,241,.5))}.auth-logo-text{font-size:1.75rem;font-weight:700;background:linear-gradient(135deg,var(--color-text-primary) 0%,var(--color-primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-subtitle{color:var(--color-text-secondary);font-size:.9375rem}.auth-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;background:var(--color-bg-primary);border-radius:var(--radius-md);padding:.25rem}.auth-tab{flex:1;padding:.75rem 1rem;border-radius:var(--radius-sm);color:var(--color-text-secondary);font-weight:500;font-size:.875rem;transition:all var(--transition-fast)}.auth-tab:hover{color:var(--color-text-primary)}.auth-tab.active{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;box-shadow:var(--shadow-glow)}.auth-form{margin-bottom:1.5rem}.auth-submit{width:100%;margin-top:.5rem}.auth-error{padding:.75rem 1rem;background:#ef444426;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);color:var(--color-danger);font-size:.875rem;margin-bottom:1rem}.auth-success{padding:.75rem 1rem;background:#22c55e26;border:1px solid rgba(34,197,94,.3);border-radius:var(--radius-md);color:var(--color-success);font-size:.875rem;margin-bottom:1rem}.auth-footer{text-align:center;padding-top:1.5rem;border-top:1px solid var(--color-border);color:var(--color-text-secondary);font-size:.875rem}.auth-link{color:var(--color-primary-light);font-weight:500;transition:color var(--transition-fast)}.auth-link:hover{color:var(--color-primary)}.user-info{padding:1rem;border-top:1px solid var(--color-border);display:flex;align-items:center;gap:.75rem}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem;color:#fff}.user-details{flex:1;min-width:0}.user-name{font-weight:500;font-size:.875rem;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.75rem;color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-btn{padding:.5rem;border-radius:var(--radius-sm);color:var(--color-text-muted);transition:all var(--transition-fast)}.logout-btn:hover{background:var(--color-bg-tertiary);color:var(--color-danger)}.embed-container{min-height:100vh;padding:1.5rem;background:var(--color-bg-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.embed-loading,.embed-error,.embed-success{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;text-align:center;color:var(--color-text-primary)}.embed-success h2{font-size:1.5rem;margin-bottom:.5rem}.embed-form{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem}.embed-title{font-size:1.25rem;font-weight:600;margin-bottom:1.5rem;color:var(--color-text-primary)}.embed-field{margin-bottom:1.25rem}.embed-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-primary);margin-bottom:.5rem}.embed-label-required:after{content:"*";color:var(--color-danger);margin-left:.25rem}.embed-hint{font-size:.75rem;color:var(--color-text-muted);margin-bottom:.5rem;margin-top:-.25rem}.embed-input{width:100%;padding:.75rem 1rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:.875rem;transition:all var(--transition-fast)}.embed-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f133}.embed-textarea{min-height:100px;resize:vertical}.embed-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1.25rem;padding-right:2.5rem}.embed-quantity{display:flex;align-items:center;gap:.75rem}.embed-quantity .embed-input{max-width:150px}.embed-unit{color:var(--color-text-muted);font-size:.875rem}.embed-upload{border:2px dashed var(--color-border);border-radius:var(--radius-md);padding:1.5rem;text-align:center;color:var(--color-text-muted);font-size:.875rem}.embed-checkboxes{display:flex;flex-direction:column;gap:.5rem}.embed-checkbox-label{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--color-bg-primary);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}.embed-checkbox-label:hover{background:var(--color-bg-tertiary)}.embed-checkbox{width:1.125rem;height:1.125rem;accent-color:var(--color-primary)}.embed-price{margin-left:auto;color:var(--color-success);font-weight:500;font-size:.875rem}.embed-fixed-price{padding:.75rem 1rem;background:var(--color-bg-primary);border-radius:var(--radius-md);color:var(--color-success);font-weight:500}.embed-estimate{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem}.embed-estimate h3{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--color-text-primary)}.embed-estimate-lines{margin-bottom:1rem}.embed-estimate-line{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--color-border);font-size:.875rem}.embed-estimate-summary{background:var(--color-bg-primary);padding:1rem;border-radius:var(--radius-md)}.embed-estimate-row{display:flex;justify-content:space-between;padding:.25rem 0;font-size:.875rem}.embed-estimate-muted{color:var(--color-text-muted)}.embed-estimate-total{margin-top:.5rem;padding-top:.5rem;border-top:1px solid var(--color-border);font-size:1.125rem;font-weight:600;color:var(--color-success)}.embed-client-info{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem}.embed-client-info h3{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--color-text-primary)}.embed-submit{width:100%;padding:1rem 1.5rem;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;font-weight:600;font-size:1rem;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.embed-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-glow)}.embed-submit:disabled{opacity:.6;cursor:not-allowed}.embed-quote-summary{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem}.embed-total{font-size:1.25rem;color:var(--color-success)}@keyframes slideIn{0%{transform:translate(100%)}to{transform:translate(0)}}.drag-list{display:flex;flex-direction:column;gap:.5rem}.drag-item{display:flex;align-items:center;gap:.75rem;padding:1rem;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.drag-item:hover{border-color:var(--color-border-light)}.drag-item-inactive{opacity:.6}.drag-item-error{border-color:var(--color-warning)}.drag-handle{color:var(--color-text-muted);cursor:grab;font-size:.875rem;letter-spacing:2px}.drag-handle:active{cursor:grabbing}.tab-active{color:var(--color-primary)!important;border-bottom-color:var(--color-primary)!important}:root{--color-primary-alpha: rgba(99, 102, 241, .15);--color-bg-elevated: var(--color-bg-card);--radius-full: 9999px;--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .4), 0 8px 10px -6px rgb(0 0 0 / .4)}