:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--secondary-color: #64748b;--success-color: #10b981;--warning-color: #f59e0b;--danger-color: #ef4444;--info-color: #06b6d4;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--bg-sidebar: #1e293b;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--text-inverse: #ffffff;--border-color: #e2e8f0;--border-light: #f1f5f9;--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);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out}[data-theme=dark]{--primary-color: #3b82f6;--primary-hover: #2563eb;--secondary-color: #64748b;--success-color: #10b981;--warning-color: #f59e0b;--danger-color: #ef4444;--info-color: #06b6d4;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--bg-sidebar: #0f172a;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b;--text-inverse: #0f172a;--border-color: #334155;--border-light: #475569}*{box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{margin:0 0 var(--spacing-md) 0;font-weight:600;line-height:1.2;color:var(--text-primary)}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin:0 0 var(--spacing-md) 0;color:var(--text-secondary)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.card{background-color:var(--bg-card);border:1px solid var(--border-color);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{box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border:1px solid transparent;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;line-height:1;text-decoration:none;cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:var(--text-inverse);border-color:var(--primary-color)}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);border-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-tertiary);border-color:var(--border-light)}.btn-success{background-color:var(--success-color);color:var(--text-inverse);border-color:var(--success-color)}.btn-danger{background-color:var(--danger-color);color:var(--text-inverse);border-color:var(--danger-color)}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.75rem}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-weight:500;color:var(--text-primary)}.form-control{display:block;width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a}.form-control::placeholder{color:var(--text-muted)}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem;font-weight:500;line-height:1;border-radius:var(--radius-sm)}.badge-primary{background-color:#3b82f61a;color:var(--primary-color)}.badge-success{background-color:#10b9811a;color:var(--success-color)}.badge-warning{background-color:#f59e0b1a;color:var(--warning-color)}.badge-danger{background-color:#ef44441a;color:var(--danger-color)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.mb-5{margin-bottom:var(--spacing-xl)}.mt-0{margin-top:0}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.mt-5{margin-top:var(--spacing-xl)}.p-0{padding:0}.p-1{padding:var(--spacing-xs)}.p-2{padding:var(--spacing-sm)}.p-3{padding:var(--spacing-md)}.p-4{padding:var(--spacing-lg)}.p-5{padding:var(--spacing-xl)}.d-flex{display:flex}.d-inline-flex{display:inline-flex}.d-block{display:block}.d-none{display:none}.justify-content-between{justify-content:space-between}.justify-content-center{justify-content:center}.justify-content-end{justify-content:flex-end}.align-items-center{align-items:center}.align-items-start{align-items:flex-start}.align-items-end{align-items:flex-end}.flex-column{flex-direction:column}.flex-row{flex-direction:row}.w-100{width:100%}.h-100{height:100%}@media (max-width: 768px){.d-md-none{display:none}.d-md-block{display:block}}@media (min-width: 769px){.d-lg-none{display:none}.d-lg-block{display:block}}.fade-in{animation:fadeIn var(--transition-normal)}.login-container .error-message,.login-card .error-message,.login-form .error-message{color:#e74c3c!important;background-color:#fdf2f2!important;border:1px solid #fecaca!important;font-weight:500!important;font-size:14px!important;margin-top:8px!important;padding:8px 12px!important;border-radius:6px!important;display:block!important}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.slide-in{animation:slideIn var(--transition-normal)}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.theme-toggle{position:fixed;top:var(--spacing-lg);right:var(--spacing-lg);z-index:1000;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-md)}.theme-toggle:hover{transform:scale(1.1);box-shadow:var(--shadow-lg)}.theme-toggle svg{width:20px;height:20px;color:var(--text-primary)}