/* Màn hình đăng nhập + thanh "Đang đăng nhập" — dùng biến màu của app.css. */
.dn-dang-tai{margin:40vh auto 0;text-align:center;color:var(--muted)}
.dn-man{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.dn-the{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px 24px}
.dn-the h1{font-size:20px;margin:0 0 4px}
.dn-phu{color:var(--muted);font-size:13px;margin:0 0 18px}
.dn-nho-chu{margin:14px 0 0}
#dn-form{display:flex;flex-direction:column;gap:14px}
#dn-form label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:500}
#dn-form input[type=text],#dn-form input[type=password]{font:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink)}
#dn-form input:focus{outline:2px solid var(--accent);outline-offset:1px}
#dn-form label.dn-nho{flex-direction:row;align-items:center;gap:8px;font-weight:400}
#dn-form label.dn-nho input{width:18px;height:18px;margin:0}
.dn-goi-y{font-weight:400;color:var(--muted)}
#dn-nut{font:inherit;font-weight:600;font-size:15px;padding:11px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);cursor:pointer}
#dn-nut:disabled{opacity:.6;cursor:wait}
.dn-loi{color:var(--bad);font-size:13px;margin:0;min-height:1em}
.dn-thanh{display:flex;justify-content:flex-end;align-items:center;gap:12px;padding:4px 16px;font-size:12px;color:var(--muted);background:var(--sunken);border-bottom:1px solid var(--line)}
.dn-thanh button{font:inherit;font-size:12px;padding:3px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);cursor:pointer}