:root{--color-primary:#6366f1;--color-primary-hover:#4f46e5;--color-primary-light:#e0e7ff;--color-secondary:#0ea5e9;--color-secondary-hover:#0284c7;--color-success:#22c55e;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-bg:#fff;--color-bg-secondary:#f8fafc;--color-bg-tertiary:#f1f5f9;--color-bg-dark:#0f172a;--color-text:#0f172a;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-text-inverse:#fff;--color-border:#e2e8f0;--color-border-hover:#cbd5e1;--color-border-focus:#6366f1;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--spacing-3xl:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--transition-fast:150ms ease;--transition-normal:250ms ease;--transition-slow:350ms ease;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070;--z-toast:1080;--sidebar-width:260px;--sidebar-collapsed-width:64px;--topbar-height:56px;--builder-toolbar-height:48px;--panel-width:300px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-bg);color:var(--color-text);min-height:100vh}a{color:inherit;text-decoration:none}img,video{max-width:100%;height:auto}button{cursor:pointer;border:none;background:none}button,input,select,textarea{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--spacing-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;line-height:1.5;transition:all var(--transition-fast);white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background-color:var(--color-primary);color:var(--color-text-inverse)}.btn--primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn--secondary{background-color:var(--color-bg-tertiary);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover:not(:disabled){background-color:var(--color-border)}.btn--ghost{background:transparent;color:var(--color-text-secondary)}.btn--ghost:hover:not(:disabled){background-color:var(--color-bg-tertiary);color:var(--color-text)}.btn--danger{background-color:var(--color-error);color:var(--color-text-inverse)}.btn--danger:hover:not(:disabled){background-color:#eb1515}.btn--sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--text-xs)}.btn--lg{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--text-base)}.btn--icon{padding:var(--spacing-sm);width:36px;height:36px}.input,.select,.textarea{display:block;width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);line-height:1.5;background-color:var(--color-bg);color:var(--color-text);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input::placeholder,.select::placeholder,.textarea::placeholder{color:var(--color-text-muted)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-primary-light)}.input:disabled,.select:disabled,.textarea:disabled{background-color:var(--color-bg-tertiary);cursor:not-allowed}.input--error{border-color:var(--color-error)}.input--error:focus{box-shadow:0 0 0 3px rgba(239,68,68,.1)}.textarea{resize:vertical;min-height:100px}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.label{display:block;font-size:var(--text-sm);font-weight:500;color:var(--color-text);margin-bottom:var(--spacing-xs)}.form-group{margin-bottom:var(--spacing-md)}.form-error{font-size:var(--text-xs);color:var(--color-error);margin-top:var(--spacing-xs)}.card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-fast),border-color var(--transition-fast)}.card--hover:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-hover)}.card--clickable{cursor:pointer}.card--clickable:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary)}.card__header{display:flex;align-items:center;justify-content:space-between;padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-md)}.card__title{font-size:var(--text-lg);font-weight:600}.badge{display:inline-flex;align-items:center;padding:2px var(--spacing-sm);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:500}.badge--success{background:#dcfce7;color:#166534}.badge--warning{background:#fef3c7;color:#92400e}.badge--error{background:#fee2e2;color:#991b1b}.badge--info{background:#dbeafe;color:#1e40af}.badge--neutral{background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background-color:var(--color-primary-light);color:var(--color-primary);font-weight:600;overflow:hidden}.avatar--sm{width:28px;height:28px;font-size:var(--text-xs)}.avatar--md{width:36px;height:36px;font-size:var(--text-sm)}.avatar--lg{width:48px;height:48px;font-size:var(--text-base)}.avatar img{width:100%;height:100%;object-fit:cover}.overlay{position:fixed;inset:0;background-color:rgba(0,0,0,.5);z-index:var(--z-modal-backdrop);display:flex;align-items:center;justify-content:center}.modal{background:var(--color-bg);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:560px;width:90%;max-height:85vh;overflow-y:auto;z-index:var(--z-modal)}.modal::-webkit-scrollbar{width:6px;height:6px}.modal::-webkit-scrollbar-track{background:transparent}.modal::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}.modal::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}.modal__header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-border)}.modal__body,.modal__header{padding:var(--spacing-lg)}.modal__footer{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--color-border);gap:var(--spacing-sm);justify-content:flex-end}.skeleton{background:linear-gradient(90deg,var(--color-bg-tertiary) 25%,var(--color-border) 50%,var(--color-bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s infinite;border-radius:var(--radius-md)}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes spin{to{transform:rotate(1turn)}}[data-sonner-toaster]{font-family:var(--font-sans)!important}body::-webkit-scrollbar{width:6px;height:6px}body::-webkit-scrollbar-track{background:transparent}body::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}body::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}