:root{--color-primary: #10B981;--color-primary-hover: #059669;--color-primary-light: #D1FAE5;--color-secondary: #3B82F6;--color-secondary-hover: #2563EB;--color-secondary-light: #DBEAFE;--color-danger: #EF4444;--color-danger-hover: #DC2626;--color-danger-light: #FEE2E2;--color-warning: #F59E0B;--color-warning-light: #FEF3C7;--color-success: #10B981;--color-success-light: #D1FAE5;--color-background: #F9FAFB;--color-surface: #FFFFFF;--color-surface-hover: #F3F4F6;--color-border: #E5E7EB;--color-border-light: #F3F4F6;--color-text-primary: #111827;--color-text-secondary: #6B7280;--color-text-tertiary: #9CA3AF;--color-text-inverse: #FFFFFF;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--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: 1.625;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--sidebar-width: 260px;--topbar-height: 64px}*,*: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-family);font-size:var(--font-size-md);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-background);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--color-text-primary)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}p{color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:1;border:none;border-radius:var(--radius-md);cursor:pointer;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-surface);color:var(--color-text-primary);border:1px solid 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:var(--color-danger-hover)}.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-primary)}.btn-lg{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-md)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs)}.btn-icon{width:36px;height:36px;padding:0}.form-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.form-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-md);font-family:inherit;color:var(--color-text-primary);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.form-input::placeholder{color:var(--color-text-tertiary)}.form-textarea{resize:vertical;min-height:100px}.form-error{font-size:var(--font-size-sm);color:var(--color-danger)}.form-hint{font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.card-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold)}.card-subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) 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th{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);background-color:var(--color-surface-hover)}.table tr:hover td{background-color:var(--color-surface-hover)}.app-layout{display:flex;min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background-color:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;z-index:100}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}.topbar{position:sticky;top:0;height:var(--topbar-height);background-color:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-xl);z-index:50}.page-content{padding:var(--spacing-xl);max-width:1400px;margin:0 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var(--transition-normal)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.text-center{text-align:center}.text-right{text-align:right}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.text-secondary{color:var(--color-text-secondary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.w-full{width:100%}.h-full{height:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fadeIn{animation:fadeIn var(--transition-normal)}.animate-slideIn{animation:slideIn var(--transition-normal)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-background)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.loading-screen{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-md);color:var(--color-text-secondary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.sidebar-logo{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-primary)}.close-sidebar-btn{display:none;background:none;border:none;color:var(--color-text-secondary);cursor:pointer}.sidebar-nav{flex:1;padding:var(--spacing-md);overflow-y:auto}.nav-section{display:flex;flex-direction:column;gap:var(--spacing-xs)}.nav-section-title{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em;padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-xs)}.nav-link{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);color:var(--color-text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-fast);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.nav-link:hover{background-color:var(--color-surface-hover);color:var(--color-text-primary)}.nav-link-active,.nav-link-active:hover{background-color:var(--color-primary-light);color:var(--color-primary)}.sidebar-footer{padding:var(--spacing-md);border-top:1px solid var(--color-border);display:flex;flex-direction:column;gap:var(--spacing-md)}.user-info{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm)}.user-info-link{display:flex;align-items:center;gap:var(--spacing-md);text-decoration:none;color:inherit;width:100%;transition:opacity .2s}.user-info-link:hover{opacity:.8}.user-avatar{width:40px;height:40px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:var(--font-weight-bold);font-size:var(--font-size-md);flex-shrink:0}.user-details{display:flex;flex-direction:column;overflow:hidden}.user-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:var(--font-size-xs);color:var(--color-text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-actions{display:flex;flex-direction:column;gap:var(--spacing-xs)}.logout-btn{background:none;border:none;cursor:pointer;width:100%;text-align:left}.logout-btn:hover{color:var(--color-danger);background-color:var(--color-danger-light)}@media(max-width:768px){.close-sidebar-btn{display:block}.sidebar{z-index:100;box-shadow:4px 0 24px #00000026}}.topbar{height:64px;padding:0 var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:40}.topbar-left{display:flex;align-items:center;gap:var(--spacing-md)}.topbar-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.topbar-right{display:flex;align-items:center;gap:var(--spacing-md)}.search-box{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:var(--spacing-md);color:var(--color-text-tertiary);pointer-events:none}.search-input{width:280px;padding:var(--spacing-sm) var(--spacing-md);padding-left:calc(var(--spacing-md) * 2 + 18px);font-size:var(--font-size-sm);color:var(--color-text-primary);background-color:var(--color-surface-hover);border:1px solid transparent;border-radius:var(--radius-full);transition:all var(--transition-fast)}.search-input:focus{outline:none;background-color:var(--color-surface);border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.search-input::placeholder{color:var(--color-text-tertiary)}.topbar-btn{position:relative;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:transparent;border:none;border-radius:var(--radius-full);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}.topbar-btn:hover{background-color:var(--color-surface-hover);color:var(--color-text-primary)}.notification-badge{position:absolute;top:4px;right:4px;min-width:18px;height:18px;padding:0 5px;font-size:10px;font-weight:var(--font-weight-bold);color:#fff;background-color:var(--color-danger);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center}.menu-btn{display:none;background:none;border:none;color:var(--color-text-primary);cursor:pointer;padding:var(--spacing-xs)}@media(max-width:768px){.topbar{padding:0 var(--spacing-md)}.topbar-title{font-size:var(--font-size-lg)}.menu-btn{display:block!important;background:none;border:none;color:var(--color-text-primary);cursor:pointer}.search-box{display:none}}