:root{--olive:#748064;--olive-dark:#667158;--ink:#252c27;--paper:#f6f1e8;--line:#d9d3c7;--muted:#6f746f}
*{box-sizing:border-box}
html,body{min-height:100%;margin:0}
body{font-family:Arial,"Helvetica Neue",sans-serif;background:linear-gradient(135deg,#f7f2e9,#e8e1d5);color:var(--ink);display:grid;place-items:center;padding:28px}
.auth-shell{width:min(460px,100%);background:rgba(255,255,255,.91);border:1px solid rgba(116,128,100,.25);border-radius:22px;box-shadow:0 24px 70px rgba(51,54,48,.14);padding:34px}
.brand{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:var(--ink);margin-bottom:24px}.brand img{width:116px;height:auto}.brand span{font-family:Georgia,"Times New Roman",serif;font-size:1.55rem;margin-top:-5px}
h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:2rem;margin:0 0 8px}.intro{margin:0 0 24px;color:var(--muted);line-height:1.5}
label{display:block;font-size:.91rem;font-weight:700;margin:15px 0 7px}.field{width:100%;border:1px solid var(--line);border-radius:11px;background:#fff;padding:13px 14px;font-size:1rem;outline:none}.field:focus{border-color:var(--olive);box-shadow:0 0 0 3px rgba(116,128,100,.14)}
button,.button{width:100%;border:0;border-radius:11px;background:var(--olive);color:#fff;padding:14px 18px;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;margin-top:20px}button:hover,.button:hover{background:var(--olive-dark)}
.links{display:flex;justify-content:space-between;gap:16px;margin-top:18px;font-size:.92rem}.links a{color:var(--olive-dark)}
.notice,.error{padding:12px 14px;border-radius:10px;margin:0 0 18px;font-size:.92rem;line-height:1.4}.notice{background:#eef2ea;color:#354332}.error{background:#f7e9e7;color:#7c312a}.guest-note{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:.86rem;color:var(--muted);line-height:1.5}
.dev-link{word-break:break-all;background:#fff8db;border:1px solid #ead998;padding:10px;border-radius:8px;font-size:.82rem;margin-top:12px}
@media(max-width:520px){body{padding:16px}.auth-shell{padding:26px 21px;border-radius:18px}.links{flex-direction:column}}
@media(display-mode:standalone){.pwa-logout{display:none!important}}