:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-surface-hover: #334155;--color-border: #334155;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-accent: #3b82f6;--color-accent-hover: #2563eb;--color-danger: #ef4444;--color-success: #10b981;--color-warning: #f59e0b;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition-speed: .2s}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);font-weight:600;margin-bottom:var(--spacing-4)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-speed) ease}a:hover{color:var(--color-accent-hover)}button{cursor:pointer;font-family:inherit;border:none;border-radius:var(--border-radius-md);padding:var(--spacing-2) var(--spacing-4);font-weight:500;transition:all var(--transition-speed) ease}.btn-primary{background-color:var(--color-accent);color:#fff}.btn-primary:hover{background-color:var(--color-accent-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--color-surface-hover);color:var(--color-text-primary)}.btn-secondary:hover{background-color:var(--color-border)}input,select,textarea{width:100%;background-color:var(--color-bg);border:1px solid var(--color-border);color:var(--color-text-primary);padding:var(--spacing-2) var(--spacing-3);border-radius:var(--border-radius-md);font-family:inherit;font-size:.95rem;transition:border-color var(--transition-speed) ease,box-shadow var(--transition-speed) ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px #3b82f633}input:disabled,select:disabled,textarea:disabled{opacity:.6;cursor:not-allowed}textarea{resize:vertical;min-height:100px}.form-group{margin-bottom:var(--spacing-4)}.form-label{display:block;margin-bottom:var(--spacing-2);font-weight:500;color:var(--color-text-secondary);font-size:.875rem}.app-container{display:flex;min-height:100vh}.sidebar{width:280px;background-color:var(--color-surface);border-right:1px solid var(--color-border);padding:var(--spacing-6);display:flex;flex-direction:column}.main-content{flex:1;padding:var(--spacing-8);overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease forwards}