*{box-sizing:border-box}:root{--color-primary: #0ea5e9;--color-primary-dark: #0284c7;--color-accent: #f97316;--color-accent-dark: #ea580c;--color-success: #10b981;--color-danger: #ef4444;--color-danger-dark: #dc2626;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--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, .1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition: .15s ease}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.6;color:var(--color-text);background:var(--color-bg);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}h1,h2,h3,h4{margin:0 0 .5em;font-weight:600;line-height:1.3;color:var(--color-text)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.125rem}p{margin:0 0 1em;color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none;font-weight:500;transition:color var(--transition)}a:hover{color:var(--color-primary-dark)}button{font-family:inherit;font-size:.9375rem;font-weight:500;padding:.625rem 1.25rem;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);background:var(--color-primary);color:#fff}button:hover{background:var(--color-primary-dark);transform:translateY(-1px)}button:active{transform:translateY(0)}button:disabled{opacity:.6;cursor:not-allowed;transform:none}button.secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}button.secondary:hover{background:var(--color-bg);border-color:var(--color-text-muted)}button.danger{background:transparent;color:var(--color-danger);padding:.5rem .875rem}button.danger:hover{background:#fef2f2;color:var(--color-danger-dark)}button.ghost{background:transparent;color:var(--color-text-secondary);padding:.5rem .875rem}button.ghost:hover{background:var(--color-bg);color:var(--color-text)}input,select,textarea{font-family:inherit;font-size:.9375rem;padding:.625rem .875rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);transition:all var(--transition);width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0ea5e926}input::placeholder{color:var(--color-text-muted)}label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-secondary);margin-bottom:.375rem}ul{margin:0;padding:0;list-style:none}hr{border:none;border-top:1px solid var(--color-border);margin:1.5rem 0}.card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);padding:1.5rem}.card-elevated{box-shadow:var(--shadow-md);border:none}