:root{--color-brand-50: #ecfdf3;--color-brand-100: #d1fadf;--color-brand-200: #a7f3d0;--color-brand-300: #6ee7b7;--color-brand-400: #34d399;--color-brand-500: #10b981;--color-brand-600: #059669;--color-brand-700: #047857;--color-brand-800: #065f46;--color-brand-900: #064e3b;--color-brand-950: #022c22;--color-neutral-0: #ffffff;--color-neutral-50: #fafafa;--color-neutral-100: #f4f4f5;--color-neutral-200: #e4e4e7;--color-neutral-300: #d4d4d8;--color-neutral-400: #a1a1aa;--color-neutral-500: #71717a;--color-neutral-600: #52525b;--color-neutral-700: #3f3f46;--color-neutral-800: #27272a;--color-neutral-900: #18181b;--color-neutral-950: #09090b;--color-bg-primary: var(--color-neutral-950);--color-bg-secondary: var(--color-neutral-900);--color-bg-tertiary: var(--color-neutral-800);--color-bg-hover: var(--color-neutral-800);--color-bg-active: var(--color-neutral-700);--color-bg-selected: rgba(16, 185, 129, .12);--color-bg-code: rgba(16, 185, 129, .08);--color-bg-overlay: rgba(0, 0, 0, .6);--color-border-primary: var(--color-neutral-800);--color-border-secondary: var(--color-neutral-700);--color-border-focus: var(--color-brand-500);--color-border-error: var(--color-red-500);--color-text-primary: var(--color-neutral-50);--color-text-secondary: var(--color-neutral-400);--color-text-tertiary: var(--color-neutral-500);--color-text-inverse: var(--color-neutral-950);--color-text-brand: var(--color-brand-400);--color-text-error: var(--color-red-400);--color-text-success: var(--color-green-400);--color-text-warning: var(--color-amber-400);--color-text-info: var(--color-blue-400);--color-red-500: #ef4444;--color-red-400: #f87171;--color-green-500: #22c55e;--color-green-400: #4ade80;--color-amber-500: #f59e0b;--color-amber-400: #fbbf24;--color-blue-500: #3b82f6;--color-blue-400: #60a5fa;--color-purple-500: #a855f7;--color-purple-400: #c084fc;--color-cyan-500: #06b6d4;--color-cyan-400: #22d3ee;--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;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", Consolas, monospace;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .875rem;--text-lg: 1rem;--text-xl: 1.125rem;--text-2xl: 1.25rem;--text-3xl: 1.5rem;--text-4xl: 2rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.625;--radius-xs: 2px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 10px;--radius-2xl: 12px;--radius-full: 9999px;--shadow-xs: 0 1px 2px 0 rgba(0,0,0,.05);--shadow-sm: 0 1px 3px 0 rgba(0,0,0,.1), 0 1px 2px -1px rgba(0,0,0,.1);--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);--shadow-focus: 0 0 0 3px rgba(16, 185, 129, .35);--shadow-inner: inset 0 2px 4px 0 rgba(0,0,0,.05);--transition-fast: .1s ease;--transition-normal: .15s ease;--transition-slow: .2s ease;--z-dropdown: 100;--z-sticky: 200;--z-modal-backdrop: 1000;--z-modal: 1010;--z-popover: 1100;--z-tooltip: 1200;--z-toast: 2000}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){--color-bg-primary: var(--color-neutral-0);--color-bg-secondary: var(--color-neutral-50);--color-bg-tertiary: var(--color-neutral-100);--color-bg-hover: var(--color-neutral-100);--color-bg-active: var(--color-neutral-200);--color-bg-selected: rgba(16, 185, 129, .1);--color-bg-code: rgba(16, 185, 129, .06);--color-bg-overlay: rgba(0, 0, 0, .5);--color-border-primary: var(--color-neutral-200);--color-border-secondary: var(--color-neutral-300);--color-text-primary: var(--color-neutral-950);--color-text-secondary: var(--color-neutral-600);--color-text-tertiary: var(--color-neutral-500);--color-text-inverse: var(--color-neutral-0)}}[data-theme=light]{--color-bg-primary: var(--color-neutral-0);--color-bg-secondary: var(--color-neutral-50);--color-bg-tertiary: var(--color-neutral-100);--color-bg-hover: var(--color-neutral-100);--color-bg-active: var(--color-neutral-200);--color-border-primary: var(--color-neutral-200);--color-border-secondary: var(--color-neutral-300);--color-text-primary: var(--color-neutral-950);--color-text-secondary: var(--color-neutral-600);--color-text-tertiary: var(--color-neutral-500)}[data-theme=dark]{--color-bg-primary: var(--color-neutral-950);--color-bg-secondary: var(--color-neutral-900);--color-bg-tertiary: var(--color-neutral-800);--color-bg-hover: var(--color-neutral-800);--color-bg-active: var(--color-neutral-700);--color-border-primary: var(--color-neutral-800);--color-border-secondary: var(--color-neutral-700);--color-text-primary: var(--color-neutral-50);--color-text-secondary: var(--color-neutral-400);--color-text-tertiary: var(--color-neutral-500)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text-primary);background:var(--color-bg-primary);min-height:100vh;transition:background var(--transition-normal),color var(--transition-normal)}a{color:var(--color-text-brand);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}img{max-width:100%;height:auto;display:block}:focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-secondary);border-radius:4px;border:2px solid 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var(--transition-fast);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.btn--primary{background:var(--color-brand-500);color:#fff;border-color:var(--color-brand-500)}.btn--primary:hover:not(:disabled){background:var(--color-brand-600);border-color:var(--color-brand-600)}.btn--primary:active:not(:disabled){background:var(--color-brand-700)}.btn--secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border-color:var(--color-border-primary)}.btn--secondary:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-border-secondary)}.btn--ghost{background:transparent;color:var(--color-text-secondary);border-color:transparent}.btn--ghost:hover:not(:disabled){background:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn--danger{background:var(--color-red-500);color:#fff;border-color:var(--color-red-500)}.btn--danger:hover:not(:disabled){background:#dc2626;border-color:#dc2626}.btn--success{background:var(--color-green-500);color:#fff;border-color:var(--color-green-500)}.btn--success:hover:not(:disabled){background:#16a34a;border-color:#16a34a}.btn--outline{background:transparent;color:var(--color-brand-400);border-color:var(--color-brand-500)}.btn--outline:hover:not(:disabled){background:var(--color-bg-code)}.btn--sm{height:28px;padding:0 var(--space-3);font-size:.75rem}.btn--lg{height:44px;padding:0 var(--space-6);font-size:var(--text-base)}.btn--xl{height:52px;padding:0 var(--space-8);font-size:var(--text-lg)}.btn--icon{padding:0;width:36px}.btn--icon.btn--sm{width:28px}.btn--icon.btn--lg{width:44px}.btn--loading .btn__text{display:none}.btn--loading .btn__spinner{display:block}.btn__spinner{display:none;width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.form-field{display:flex;flex-direction:column;gap:var(--space-1)}.form-label{font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.03em}.form-hint{font-size:var(--text-xs);color:var(--color-text-tertiary)}.form-error{font-size:var(--text-xs);color:var(--color-text-error)}.input{width:100%;height:36px;padding:0 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.input:last-child{border-top-left-radius:0;border-bottom-left-radius:0}.input-group .btn{border-radius:0}.input-group .btn:first-child{border-top-left-radius:var(--radius-md);border-bottom-left-radius:var(--radius-md)}.input-group .btn:last-child{border-top-right-radius:var(--radius-md);border-bottom-right-radius:var(--radius-md)}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border-primary);border-radius:var(--radius-xl);overflow:hidden;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.card:hover{border-color:var(--color-border-secondary);box-shadow:var(--shadow-md)}.card--selected{border-color:var(--color-brand-500);box-shadow:0 0 0 1px var(--color-brand-500),var(--shadow-md)}.card--elevated{box-shadow:var(--shadow-lg)}.card--interactive{cursor:pointer}.card__header{padding:var(--space-5);border-bottom:1px solid var(--color-border-primary)}.card__body{padding:var(--space-5)}.card__footer{padding:var(--space-4) 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img{width:100%;height:100%;object-fit:cover}.avatar-group{display:flex}.avatar-group .avatar{margin-left:-8px;border:2px solid var(--color-bg-primary)}.avatar-group .avatar:first-child{margin-left:0}.tabs{display:flex;gap:var(--space-1);border-bottom:1px solid var(--color-border-primary);overflow-x:auto;padding-bottom:1px}.tab{padding:var(--space-2) var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-tertiary);background:transparent;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer;transition:color var(--transition-fast);white-space:nowrap}.tab:hover{color:var(--color-text-secondary)}.tab--active{color:var(--color-brand-400);border-bottom-color:var(--color-brand-500)}.tab:focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm) var(--radius-sm) 0 0}.dropdown{position:relative;display:inline-block}.dropdown__trigger{display:flex;align-items:center;gap:var(--space-2)}.dropdown__menu{position:absolute;top:calc(100% + var(--space-2));right:0;min-width:200px;padding:var(--space-2);background:var(--color-bg-secondary);border:1px solid var(--color-border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);animation:slideDown .1s ease;display:none}.dropdown__menu--open{display:block}@keyframes slideDown{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dropdown__item{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-2) var(--space-3);font-size:var(--text-sm);color:var(--color-text-primary);background:transparent;border:none;border-radius:var(--radius-md);text-align:left;cursor:pointer;transition:background var(--transition-fast)}.dropdown__item:hover{background:var(--color-bg-tertiary)}.dropdown__item--danger{color:var(--color-red-400)}.dropdown__item--danger:hover{background:#ef44441a}.dropdown__divider{height:1px;background:var(--color-border-primary);margin:var(--space-2) 0}.dropdown__label{padding:var(--space-2) var(--space-3);font-size:var(--text-xs);font-weight:var(--font-semibold);text-transform:uppercase;color:var(--color-text-tertiary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-bg-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:var(--z-modal-backdrop);display:flex;align-items:center;justify-content:center;padding:var(--space-4);animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-bg-secondary);border:1px solid 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var(--space-5);border-top:1px solid var(--color-border-primary)}.toast-container{position:fixed;bottom:var(--space-6);right:var(--space-6);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-2);pointer-events:none;max-width:420px}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-bg-secondary);border:1px solid var(--color-border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);min-width:280px;max-width:420px;animation:slideInRight .2s ease;position:relative;overflow:hidden}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.toast--success{border-left:3px solid var(--color-green-500)}.toast--error{border-left:3px solid var(--color-red-500)}.toast--warning{border-left:3px solid var(--color-amber-500)}.toast--info{border-left:3px solid var(--color-blue-500)}.toast__icon{flex-shrink:0;margin-top:2px;color:var(--color-text-brand)}.toast--success .toast__icon{color:var(--color-green-500)}.toast--error .toast__icon{color:var(--color-red-500)}.toast--warning .toast__icon{color:var(--color-amber-500)}.toast--info .toast__icon{color:var(--color-blue-500)}.toast__content{flex:1;min-width:0}.toast__title{font-weight:var(--font-medium);font-size:var(--text-sm);color:var(--color-text-primary)}.toast__message{font-size:var(--text-xs);color:var(--color-text-secondary);margin-top:var(--space-1);line-height:var(--leading-normal)}.toast__close{flex-shrink:0;width:24px;height:24px;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-tertiary);border:none;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);margin-left:var(--space-2);margin-top:-2px}.toast__close:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.toast__progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--color-brand-500);border-radius:0 0 var(--radius-lg) var(--radius-lg);transform-origin:left}.tooltip{position:absolute;z-index:var(--z-tooltip);padding:var(--space-1) var(--space-2);font-size:var(--text-xs);color:var(--color-text-inverse);background:var(--color-neutral-950);border-radius:var(--radius-sm);white-space:nowrap;pointer-events:none;animation:fadeIn .1s ease}.skeleton{background:linear-gradient(90deg,var(--color-bg-tertiary) 25%,var(--color-bg-hover) 50%,var(--color-bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12) var(--space-6);text-align:center;color:var(--color-text-secondary)}.empty-state__icon{width:64px;height:64px;color:var(--color-text-tertiary);margin-bottom:var(--space-4)}.empty-state__title{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--color-text-primary);margin-bottom:var(--space-2)}.empty-state__message{font-size:var(--text-base);line-height:var(--leading-relaxed);max-width:320px;margin-bottom:var(--space-5)}.progress-steps{display:flex;gap:var(--space-2);margin-bottom:var(--space-5);overflow-x:auto;padding-bottom:var(--space-2)}.progress-step{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);flex-shrink:0;min-width:80px;position:relative}.progress-step:not(:last-child):after{content:"";position:absolute;top:12px;left:calc(50% + 12px);right:calc(-50% + 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