*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#0a0c12;--color-surface:#13161f;--color-surface2:#1c2030;--color-border:#252a3d;--color-primary:#e8433a;--color-text:#e8eaf0;--color-text-muted:#7a829e;--color-success:#2ecc71;--color-blue:#3a6de8;--color-red:#e83a3a;--radius:10px;--font:"Inter", system-ui, sans-serif}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font);min-height:100vh;font-size:15px;line-height:1.5}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer;font-family:inherit}.btn{border-radius:var(--radius);border:none;align-items:center;gap:6px;padding:10px 18px;font-size:14px;font-weight:600;transition:opacity .15s;display:inline-flex}.btn:hover{opacity:.85}.btn-primary{background:var(--color-primary);color:#fff}.btn-ghost{background:var(--color-surface2);color:var(--color-text);border:1px solid var(--color-border)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:24px;height:24px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.badge{border-radius:20px;padding:2px 10px;font-size:12px;font-weight:600;display:inline-block}.badge-kumite{color:#7ab3f7;background:#1e3a5f}.badge-kata{color:#b37af7;background:#3a1e5f}.empty-state{text-align:center;color:var(--color-text-muted);padding:48px 20px}nav{background:var(--color-surface);border-bottom:1px solid var(--color-border);align-items:center;gap:16px;padding:14px 20px;display:flex}nav h1{color:var(--color-primary);flex:1;font-size:18px;font-weight:700}nav a{color:var(--color-text-muted);font-size:14px}nav a:hover{color:var(--color-text)}@media (width<=600px){.hide-mobile{display:none!important}}