:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#1c2128;--bg-input:#21262d;--bg-hover:#30363d;--bg-active:#1f6feb;--text-primary:#f0f6fc;--text-secondary:#c9d1d9;--text-muted:#8b949e;--text-link:#58a6ff;--text-inverse:#0d1117;--accent-primary:#58a6ff;--accent-secondary:#388bfd;--accent-tertiary:#1f6feb;--accent-gradient:linear-gradient(135deg,#58a6ff,#388bfd);--accent-glow:rgba(88,166,255,.15);--border-color:#30363d;--border-light:#21262d;--border-focus:#58a6ff;--success:#3fb950;--success-muted:#238636;--success-bg:rgba(63,185,80,.1);--error:#f85149;--error-muted:#da3633;--error-bg:rgba(248,81,73,.1);--warning:#d29922;--warning-muted:#9a6700;--warning-bg:rgba(210,153,34,.1);--info:#58a6ff;--info-muted:#388bfd;--info-bg:rgba(88,166,255,.1);--shadow-xs:0 1px 2px rgba(0,0,0,.3);--shadow-sm:0 1px 0 rgba(27,31,35,.04);--shadow:0 4px 8px rgba(0,0,0,.2);--shadow-md:0 8px 16px rgba(0,0,0,.25);--shadow-lg:0 12px 24px rgba(0,0,0,.3);--shadow-glow:0 0 20px rgba(88,166,255,.15);--shadow-glow-lg:0 0 30px rgba(88,166,255,.25);--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--transition-fast:150ms ease;--transition-normal:200ms ease;--transition-slow:300ms ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 80%,rgba(88,166,255,.03) 0,transparent 50%),radial-gradient(circle at 80% 20%,rgba(56,139,253,.03) 0,transparent 50%);pointer-events:none;z-index:0}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1rem}h5{font-size:.875rem}h6{font-size:.75rem}p{margin-bottom:1rem;color:var(--text-secondary)}a{color:var(--text-link);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-secondary);text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:var(--accent-primary);color:var(--text-inverse)}::-moz-selection{background:var(--accent-primary);color:var(--text-inverse)}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}body.admin-theme{--accent-primary:#a371f7;--accent-secondary:#8957e5;--accent-tertiary:#7c3aed;--accent-gradient:linear-gradient(135deg,#a371f7,#8957e5);--accent-glow:rgba(163,113,247,.15);--shadow-glow:0 0 20px rgba(163,113,247,.15);--shadow-glow-lg:0 0 30px rgba(163,113,247,.25)}body.admin-theme:before{background:radial-gradient(circle at 20% 80%,rgba(163,113,247,.03) 0,transparent 50%),radial-gradient(circle at 80% 20%,rgba(137,87,229,.03) 0,transparent 50%)}.admin-mode-banner{position:fixed;top:0;left:0;right:0;background:linear-gradient(135deg,#a371f7,#8957e5);color:#fff;padding:12px 20px;display:flex;align-items:center;justify-content:center;gap:16px;z-index:9999;box-shadow:0 2px 8px rgba(0,0,0,.3);animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.admin-mode-banner .banner-content{display:flex;align-items:center;gap:12px;font-size:.9rem;font-weight:500}.admin-mode-banner .banner-icon{font-size:1.2rem}.admin-mode-banner .banner-text{display:flex;align-items:center;gap:8px}.admin-mode-banner .impersonated-user{font-weight:700;text-decoration:underline}.admin-mode-banner .btn-exit{padding:6px 16px;background:hsla(0,0%,100%,.2);border:1px solid hsla(0,0%,100%,.3);border-radius:6px;color:#fff;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease}.admin-mode-banner .btn-exit:hover{background:hsla(0,0%,100%,.3);border-color:hsla(0,0%,100%,.5);transform:translateY(-1px)}.admin-mode-banner .btn-exit:active{transform:translateY(0)}body.has-admin-banner{padding-top:48px}body.has-admin-banner .mobile-header,body.has-admin-banner .sidebar{top:48px;height:calc(100vh - 48px)}@media (max-width:768px){.admin-mode-banner{flex-direction:column;gap:10px;padding:10px 16px}.admin-mode-banner .banner-content{font-size:.85rem;text-align:center}.admin-mode-banner .btn-exit{width:100%}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;font-size:14px;font-weight:500;line-height:1.5;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap;-webkit-user-select:none;-moz-user-select:none;user-select:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;border:none;box-shadow:var(--shadow-xs)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow),var(--shadow-glow)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent-primary)}.btn-danger{background:var(--error);color:#fff;border:none}.btn-danger:hover:not(:disabled){background:var(--error-muted);transform:translateY(-1px);box-shadow:var(--shadow-xs)}.btn-success{background:var(--success);color:#fff;border:none}.btn-success:hover:not(:disabled){background:var(--success-muted)}.btn-ghost{background:transparent;color:var(--text-secondary);border:none}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px}.btn-block{width:100%}.btn-icon{padding:8px;width:36px;height:36px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-xs);transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow)}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:var(--space-sm)}.card-subtitle,.card-title{margin-bottom:var(--space-md)}.card-subtitle{font-size:.875rem;color:var(--text-muted)}.card-content{color:var(--text-secondary)}.card-footer{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-xs);transition:all var(--transition-normal)}.stat-card:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.stat-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.stat-card-title{font-size:.875rem;color:var(--text-muted);font-weight:500}.stat-card-icon{font-size:1.5rem}.stat-card-value{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-xs)}.stat-card-label{font-size:.875rem;color:var(--text-muted);font-weight:500}.stat-card-change{font-size:.75rem;color:var(--text-muted)}.stat-card-change.positive{color:var(--success)}.stat-card-change.negative{color:var(--error)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:var(--space-sm)}.form-label.required:after{content:"*";color:var(--error);margin-left:4px}.form-control,.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;font-size:14px;line-height:1.5;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-control:focus,.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-control:disabled,.form-input:disabled{opacity:.5;cursor:not-allowed}.form-textarea{min-height:100px;resize:vertical}.form-hint{color:var(--text-muted)}.form-error,.form-hint{display:block;font-size:12px;margin-top:var(--space-xs)}.form-error{color:var(--error)}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:var(--space-md);gap:var(--space-md)}.form-check{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer}.form-check-input{width:18px;height:18px;cursor:pointer}.form-check-label{font-size:14px;color:var(--text-secondary);cursor:pointer}.table-container{overflow-x:auto;border:1px solid var(--border-color);border-radius:var(--radius-lg)}.table{width:100%;border-collapse:collapse;font-size:14px}.table thead{background:var(--bg-secondary)}.table th{padding:12px 16px;text-align:left;font-weight:600;color:var(--text-primary);border-bottom:1px solid var(--border-color);white-space:nowrap}.table td{padding:12px 16px;color:var(--text-secondary);border-bottom:1px solid var(--border-light)}.table tbody tr{transition:background var(--transition-fast)}.table tbody tr:hover{background:var(--bg-hover)}.table tbody tr:last-child td{border-bottom:none}.table-actions{display:flex;align-items:center;gap:var(--space-sm)}.badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:4px 10px;font-size:12px;font-weight:500;line-height:1;border-radius:var(--radius-full);white-space:nowrap}.badge-primary{background:var(--info-bg);color:var(--accent-primary)}.badge-success{background:var(--success-bg);color:var(--success)}.badge-error{background:var(--error-bg);color:var(--error)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-secondary{background:var(--bg-hover);color:var(--text-secondary)}.alert{padding:var(--space-md);border-radius:var(--radius-md);border:1px solid;display:flex;align-items:start;gap:var(--space-md);margin-bottom:var(--space-md)}.alert-icon{font-size:1.25rem;flex-shrink:0}.alert-content{flex:1 1}.alert-title{font-weight:600;margin-bottom:var(--space-xs)}.alert-message{font-size:14px}.alert-info{background:var(--info-bg);border-color:var(--accent-primary);color:var(--text-primary)}.alert-success{background:var(--success-bg);border-color:var(--success);color:var(--text-primary)}.alert-error{background:var(--error-bg);border-color:var(--error);color:var(--text-primary)}.alert-warning{background:var(--warning-bg);border-color:var(--warning);color:var(--text-primary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:9999;padding:var(--space-md);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:500px;width:100%;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:var(--space-lg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-muted);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body,.modal-footer{padding:var(--space-lg)}.modal-footer{border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:flex-end;gap:var(--space-sm)}.loader{width:40px;height:40px;border:4px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.loader-sm{width:20px;height:20px;border-width:2px}.loader-lg{width:60px;height:60px;border-width:6px}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(13,17,23,.8);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);z-index:9999}.loading-text{color:var(--text-primary);font-size:14px}.tooltip{position:relative;display:inline-block}.tooltip-text{visibility:hidden;background:var(--bg-secondary);color:var(--text-primary);text-align:center;padding:6px 12px;border-radius:var(--radius-sm);font-size:12px;position:absolute;z-index:1000;bottom:125%;left:50%;transform:translateX(-50%);white-space:nowrap;opacity:0;transition:opacity var(--transition-fast);border:1px solid var(--border-color);box-shadow:var(--shadow)}.tooltip:hover .tooltip-text{visibility:visible;opacity:1}.divider{height:1px;background:var(--border-color)}.divider,.divider-text{margin:var(--space-lg) 0}.divider-text{display:flex;align-items:center;text-align:center;color:var(--text-muted);font-size:14px}.divider-text:after,.divider-text:before{content:"";flex:1 1;height:1px;background:var(--border-color)}.divider-text:before{margin-right:var(--space-md)}.divider-text:after{margin-left:var(--space-md)}.hidden{display:none!important}.text-center{text-align:center!important}.text-right{text-align:right!important}.text-muted{color:var(--text-muted)!important}.text-primary{color:var(--text-primary)!important}.text-success{color:var(--success)!important}.text-error{color:var(--error)!important}.text-warning{color:var(--warning)!important}.mb-0{margin-bottom:0!important}.mb-1{margin-bottom:var(--space-xs)!important}.mb-2{margin-bottom:var(--space-sm)!important}.mb-3{margin-bottom:var(--space-md)!important}.mb-4{margin-bottom:var(--space-lg)!important}.mb-5{margin-bottom:var(--space-xl)!important}.mt-0{margin-top:0!important}.mt-1{margin-top:var(--space-xs)!important}.mt-2{margin-top:var(--space-sm)!important}.mt-3{margin-top:var(--space-md)!important}.mt-4{margin-top:var(--space-lg)!important}.mt-5{margin-top:var(--space-xl)!important}.sidebar{position:fixed;left:0;top:0;width:260px;height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:100}.sidebar-header{padding:var(--space-lg);border-bottom:1px solid var(--border-color)}.sidebar-logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--text-primary)}.sidebar-nav{flex:1 1;padding:var(--space-md) 0;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:12px var(--space-lg);color:var(--text-secondary);text-decoration:none;transition:all var(--transition-fast);border-left:3px solid transparent}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-glow);color:var(--accent-primary);border-left-color:var(--accent-primary)}.nav-icon{font-size:1.1rem}.sidebar-footer{padding:var(--space-lg);border-top:1px solid var(--border-color)}.user-info{gap:12px}.avatar,.user-info{display:flex;align-items:center}.avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-gradient);justify-content:center;color:#fff;font-weight:600;font-size:1rem;flex-shrink:0}.user-details{flex:1 1;min-width:0}.user-name{font-weight:500;color:var(--text-primary)}.user-name,.user-role{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.85rem;color:var(--text-muted)}.main-content{margin-left:260px;min-height:100vh;background:var(--bg-primary)}.container{max-width:1400px;margin:0 auto;padding:var(--space-xl)}.page-header{margin-bottom:var(--space-xl)}.page-header h1{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.page-header p{color:var(--text-muted);font-size:.95rem}.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:60px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);align-items:center;padding:0 var(--space-md);z-index:99}.mobile-logo{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:600;color:var(--text-primary)}.hamburger-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}.hamburger-btn span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-fast)}.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:98;opacity:0;transition:opacity var(--transition-normal)}.mobile-overlay.show{opacity:1}@media (max-width:768px){.sidebar{transform:translateX(-100%);transition:transform var(--transition-normal)}.sidebar.show{transform:translateX(0)}.main-content{margin-left:0;padding-top:60px}.hamburger-btn,.mobile-header{display:flex}.mobile-overlay{display:block}.container{padding:var(--space-md)}}