:root{--color-primary:#1976d2;--color-secondary:#424242;--color-background:#f2f4f8;--color-surface:#fff;--color-navbar:#fbfbfd;--color-error:#d32f2f;--color-text:#222;--color-muted:#757575;--color-border:#e0e0e0;--border-radius:8px;--transition:all .2s cubic-bezier(.4,0,.2,1)}[data-theme=dark]{--color-primary:#90caf9;--color-secondary:#212121;--color-background:#0f1113;--color-surface:#1e2125;--color-navbar:#1b1e22;--color-error:#ef5350;--color-text:#f5f5f5;--color-muted:#bdbdbd;--color-border:#333}*{box-sizing:border-box;transition:var(--transition)}body{background:var(--color-background);color:var(--color-text);min-height:100vh;margin:0;padding:0;font-family:Inter,Segoe UI,Arial,sans-serif}a{color:var(--color-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--color-secondary)}button,input,select,textarea{border-radius:var(--border-radius);border:1px solid var(--color-border);outline:none;font-family:inherit;transition:box-shadow .2s,border-color .2s}button{background:var(--color-primary);color:#fff;cursor:pointer;border:none;padding:.5rem 1.5rem;font-weight:500;box-shadow:0 2px 8px rgba(25,118,210,.08)}button:hover{background:var(--color-secondary)}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(25,118,210,.15)}.card{background:var(--color-surface);border-radius:var(--border-radius);margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 2px 8px rgba(60,60,60,.06)}.skeleton{border-radius:var(--border-radius);background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%) 0 0/200% 100%;animation:1.2s linear infinite skeleton-loading}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}