:root{--bg:#0b0c10;--fg:#e6e6e6;--accent:#62d2a2;--muted:#9aa0a6;--card:#16181d}body,html{background:var(--bg);color:var(--fg);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-decoration:none}button{font:inherit;cursor:pointer}.container{max-width:960px;margin:0 auto;padding:24px}.card{background:var(--card);border-radius:12px;padding:20px;border:1px solid #22252b}.btn{background:var(--accent);color:#0b0c10;border:0;padding:10px 16px;border-radius:8px;font-weight:600}.btn[disabled]{opacity:.4;cursor:not-allowed}input,textarea{width:100%;padding:10px;border-radius:8px;border:1px solid #22252b;background:#0d0f14;color:var(--fg);font:inherit;box-sizing:border-box}.progress{height:8px;background:#22252b;border-radius:4px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--accent);transition:width .25s ease}