:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-light: #eef2ff;--color-primary-dark: #3730a3;--color-success: #16a34a;--color-success-light: #dcfce7;--color-warning: #d97706;--color-warning-light: #fef3c7;--color-danger: #dc2626;--color-danger-light: #fee2e2;--color-info: #0891b2;--color-info-light: #cffafe;--color-ai: #7c3aed;--color-ai-light: #f3e8ff;--color-ai-dark: #6d28d9;--color-background: #f8fafc;--color-surface: #ffffff;--color-surface-hover: #f1f5f9;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-text: #1e293b;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-text-inverse: #ffffff;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: .9375rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--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, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .05);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--bp-sm: 640px;--bp-md: 768px;--bp-lg: 1024px;--bp-xl: 1280px;--sidebar-width: 260px;--sidebar-collapsed: 72px;--header-height: 60px;--content-max: 1400px;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 300;--z-modal: 400;--z-toast: 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(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text);background-color:var(--color-background);min-height:100vh}#root{min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}img{max-width:100%;height:auto}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}*:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-secondary)}.text-danger{color:var(--color-danger)}.text-success{color:var(--color-success)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.w-full{width:100%}.h-full{height:100%}.hidden{display:none}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border-radius:var(--radius-md);transition:all var(--transition-fast);white-space:nowrap;border:1px solid transparent;min-height:38px}.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-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-surface-hover)}.btn-danger{background-color:var(--color-danger);color:var(--color-text-inverse)}.btn-danger:hover:not(:disabled){background-color:#b91c1c}.btn-ghost{background-color:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background-color:var(--color-surface-hover);color:var(--color-text)}.btn-sm{padding:var(--space-1) var(--space-3);font-size:var(--font-size-xs);min-height:30px}.btn-icon{padding:var(--space-2);min-width:38px;min-height:38px}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs)}.card-body{padding:var(--space-5)}.card-header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border)}.input,.select,.textarea{width:100%;padding:var(--space-2) var(--space-3);font-size:var(--font-size-sm);color:var(--color-text);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);min-height:38px}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.input::placeholder,.textarea::placeholder{color:var(--color-text-muted)}.textarea{resize:vertical;min-height:80px}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;margin-bottom:var(--space-1);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text)}.form-helper{margin-top:var(--space-1);font-size:var(--font-size-xs);color:var(--color-text-secondary)}.form-error{margin-top:var(--space-1);font-size:var(--font-size-xs);color:var(--color-danger)}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:2px var(--space-2);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--radius-full);white-space:nowrap}.badge-primary{background:var(--color-primary-light);color:var(--color-primary-dark)}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-info{background:var(--color-info-light);color:var(--color-info)}.badge-ai{background:var(--color-ai-light);color:var(--color-ai-dark)}.badge-muted{background:var(--color-surface-hover);color:var(--color-text-secondary)}.spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}.spinner-lg{width:40px;height:40px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--color-surface-hover) 25%,var(--color-border) 50%,var(--color-surface-hover) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition-base)}.animate-slide-up{animation:slideUp var(--transition-slow)}@media (max-width: 768px){.hide-mobile{display:none!important}.show-mobile{display:block!important}}@media (min-width: 769px){.show-mobile{display:none!important}}