:root{--color-bg:#006442;--color-surface:#0e4f3a;--color-surface-2:#0a3f2e;--color-border:#1d6b50;--color-text:#e8fff6;--color-muted:#bfe9d8;--color-primary:#31c48d;--color-primary-hover:#22a37a;--radius:10px;--shadow-1:0 4px 12px rgba(0,0,0,.22)}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:ui-sans-serif,system-ui,"Segoe UI",Arial;line-height:1.5}.container{width:min(1100px,100% - 2rem);margin:0 auto;padding:0 1rem}@media (min-width:1200px){.container{width:min(1100px,100% - 4rem);padding:0 2rem}}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline;color:var(--color-primary-hover)}.app-header{position:sticky;top:0;background:linear-gradient(0deg,var(--color-surface),var(--color-surface-2));border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-1);z-index:10}.header-inner{display:grid;grid-template-columns:auto 1fr auto;gap:.75rem;align-items:center;padding:.6rem 0}.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:.75rem}.nav-link{color:var(--color-text);padding:.5rem .7rem;border-radius:8px}.nav-link:hover{background:rgba(255,255,255,.06);text-decoration:none}.nav-toggle{display:none}@media (max-width: 720px){.header-inner{grid-template-columns:auto auto 1fr;gap:.5rem}.nav-toggle{display:inline-block;background:transparent;border:1px solid var(--color-border);color:var(--color-text);border-radius:8px;padding:.45rem .7rem}.nav-list{display:none;flex-direction:column;background:var(--color-surface-2);position:absolute;left:0;right:0;top:100%;padding:.5rem 1rem;border-bottom:1px solid var(--color-border)}.nav-list.open{display:flex}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.1rem;box-shadow:var(--shadow-1);margin-top:1rem}.grid{display:grid;gap:1rem}.app-main{padding:1.2rem 0}.text-muted{color:var(--color-muted)}.btn{display:inline-block;background:var(--color-primary);color:#072019;padding:.68rem 1rem;border-radius:8px;border:1px solid transparent;cursor:pointer}.btn-outline{background:transparent;color:var(--color-text);border-color:var(--color-border)}