.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 20px;
    background:
        radial-gradient(900px 520px at 18% 12%, rgba(37, 99, 235, .18), transparent 58%),
        radial-gradient(700px 480px at 88% 78%, rgba(20, 184, 166, .16), transparent 55%),
        linear-gradient(145deg, #e8eef8 0%, #f3f7fb 42%, #eef6f4 100%);
}
.login-layout {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 22px;
    align-items: stretch;
}
.login-box {
    background: #fff;
    border-radius: 14px;
    padding: 36px 32px 28px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, .12);
}
.login-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}
.login-logo .mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(145deg, #3b82f6, #1d4ed8);
    box-shadow: inset 0 -2px 0 rgba(0,0,0,.12);
}
.login-brand {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .04em;
    color: #1d4ed8;
}
.login-title {
    margin: 0 0 6px;
    font-size: 26px;
    font-weight: 700;
    color: #111827;
}
.login-sub {
    color: #6b7280;
    margin: 0 0 22px;
    font-size: 13px;
}
.login-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: 13px;
}
.login-field { margin-bottom: 16px; }
.login-field label {
    display: block;
    color: #374151;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 500;
}
.login-field input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    background: #f8fafb;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    color: #111827;
    font-size: 14px;
    outline: none;
}
.login-field input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
    background: #fff;
}
.login-submit {
    width: 100%;
    height: 42px;
    margin-top: 6px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .12em;
}
.login-links {
    margin-top: 18px;
    text-align: center;
    color: #9ca3af;
    font-size: 13px;
    display: flex;
    justify-content: center;
    gap: 8px;
}
.login-links a { color: #2563eb; }

.login-roles {
    background: #fff;
    border: 1px solid #dbe4f0;
    border-radius: 14px;
    padding: 28px 24px 22px;
    box-shadow: 0 12px 36px rgba(15, 23, 42, .08);
}
.login-roles h2 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 700;
}
.login-roles-tip {
    margin: 0 0 20px;
    color: #64748b;
    font-size: 13px;
    line-height: 1.5;
}
.login-role-group + .login-role-group { margin-top: 18px; }
.login-role-group-title {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .08em;
    color: #94a3b8;
    margin-bottom: 10px;
}
.login-role-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.login-role-card {
    text-align: left;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #dbe4f0;
    background: #f8fafc;
    color: #0f172a;
    cursor: pointer;
    transition: border-color .15s, background .15s, transform .15s;
}
.login-role-card:hover {
    border-color: rgba(37, 99, 235, .55);
    background: rgba(37, 99, 235, .08);
    transform: translateY(-1px);
}
.login-role-card.active {
    border-color: #2563eb;
    background: rgba(37, 99, 235, .12);
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .2);
}
.login-role-card strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}
.login-role-cred {
    display: block;
    font-size: 12px;
    color: #475569;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    margin-bottom: 6px;
}
.login-role-card em {
    display: block;
    font-style: normal;
    font-size: 12px;
    color: #64748b;
    line-height: 1.35;
}

@media (max-width: 860px) {
    .login-layout {
        grid-template-columns: 1fr;
        max-width: 420px;
    }
}
@media (max-width: 420px) {
    .login-role-grid { grid-template-columns: 1fr; }
}