:root{--bg-1:#f5f7f2;--bg-2:#eef3eb;--card:rgba(255,255,255,0.9);--card-border:rgba(64,92,58,0.08);--green:#7ac043;--green-dark:#5fa32f;--ink:#232b24;--muted:#738176;--red:#e04a3f;--red-dark:#c23b31;--radius:8px}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(122,192,67,.12),transparent 32%),radial-gradient(circle at bottom right,rgba(95,163,47,.08),transparent 28%),linear-gradient(180deg,var(--bg-1),var(--bg-2));display:flex;min-height:100vh;align-items:center;justify-content:center;padding:24px}a{color:inherit}button,input{font:inherit}button{transition:transform .15s ease,opacity .15s ease,background .15s ease}button:hover{transform:translateY(-1px)}h1{font-size:20px;margin:20px 0 4px}label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}input{width:100%;padding:12px 14px;border:1px solid #d7ddd5;border-radius:var(--radius);font-size:15px;outline:none;background:rgba(255,255,255,.78)}input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(122,192,67,.15)}.loading{color:var(--muted);font-size:15px}.card{width:min(100%,460px);background:var(--card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:0 18px 60px rgba(22,35,19,.12)}.btn{width:100%;margin-top:22px;padding:14px;border:0;border-radius:var(--radius);color:#fff;font-size:16px;font-weight:700;cursor:pointer;background:linear-gradient(180deg,var(--green),var(--green-dark))}.btn:hover{background:linear-gradient(180deg,#86cf4e,#5b9b31)}.btn:disabled{opacity:.6;cursor:default;transform:none}.btn-danger{background:linear-gradient(180deg,var(--red),var(--red-dark))}.btn-danger:hover{background:linear-gradient(180deg,#ea6257,#b7342b)}.alert{margin-top:16px;padding:10px 12px;border-radius:var(--radius);background:#fdecea;color:#b3261e;font-size:13px}